US2930645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deck lock
Assignee: Atwood Vacuum Machine Co
•
Filing: 1955-01-07
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Granted: 1960-03-29
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Expires: 1975-01-07
Abstract
No abstract record available.
Inventors
- 👤 Edward D Dall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:31
CPC Classifications
E; E05; E05B; E05B83/00; E05B83/16; Y; Y10; Y10S; Y10S292/00; Y10S292/43; Y10T; Y10T292/00; Y10T292/08; Y10T292/0886; Y10T292/0911; Y10T292/0913; Y10T292/0926; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1573866A
Cited
US2218183A
Cited
US2317700A
Cited
US2574244A
Cited
US2658778A
Cited
US2703727A
Cited
US2700885A
Cited
US2679427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |