A47G 2029/1228
Activated by the weight of the letter
Official title: {activated by the weight of the letter}
A47G2029/1228 (Activated by the weight of the letter) appears on 20 US grants and 17 published applications in this corpus.
Search patents in A47G- Granted patents
- 20
- Published applications
- 17
- Assignees
- 8
- Inventors
- 45
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 3 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 3 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Smart device for retaining planar items1 Apr 2025US 12,262,831 B2
- Intelligent collection box25 Jun 2024US 12,020,198 B2United States Postal Service
- Smart device for retaining planar items7 May 2024US 11,974,685 B2
- Intelligent item receptacle7 May 2024US 11,974,687 B2United States Postal Service
- Intelligent item receptacle28 Feb 2023US 11,594,018 B2United States Postal Service
- Smart device for retaining planar items5 Sep 2024US 2024/0292971 A1
- Artificial intelligence system to identify activity in a receptical11 Apr 2024US 2024/0116710 A1Microchip Technology Incorporated
- Intelligent item receptacle22 Jun 2023US 2023/0190025 A1United States Postal Service
- A smart device for retaining planar items8 Sep 2022US 2022/0279953 A1
- Intelligent item receptacle8 Apr 2021US 2021/0103725 A1United States Postal Service
Most cited
By later US patents
- Status indicating system for indicating the deposit and withdrawal of items in a receptacle119US 6,028,517 APitney Bowes Inc. · 2000
- Smart mailbox37US 7,256,691 B22007
- Automated mailbox31US 10,022,753 B2Toyota Motor Engineering & Manufacturing North America, Inc. · 2018
- Automatic remote mail alert system26US 6,114,959 A2000
- Window mailbox16US 6,629,634 B22003