US2646837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetic package sealing machine
Assignee: Individual
•
Filing: 1948-11-09
•
Granted: 1953-07-28
•
Expires: 1968-11-09
Abstract
No abstract record available.
Inventors
- 👤 Lester L Brandenburg
- 👤 George W Orem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:11
CPC Classifications
B; B65; B65B; B65B61/00; B65B61/18; B65B61/182; B05; B05B; B05B13/00; B05B13/02; B05B13/0221; B05B13/0278; B05B16/00; B05B16/20; B05B7/00; B05B7/24; B05B7/2486; B65B33/00; B65B51/00; B65B51/02; B65B51/023; B05B12/00; B05B12/08; B05B12/12; B05B12/126; B05B14/00; B05B14/40; B05B7/2489; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1343
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1391388A
Cited
US2002507A
Cited
GB472388A
Cited
US2206179A
Cited
US2334087A
Cited
US2261138A
Cited
US2330124A
Cited
US2350244A
Cited
US2372982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |