US2940291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latching and locking device
Assignee: Individual
•
Filing: 1956-07-03
•
Granted: 1960-06-14
•
Expires: 1976-07-03
Abstract
No abstract record available.
Inventors
- 👤 Gunnar E Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:55
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/52; E05B65/5207; E05B65/5246; E05B65/5253; E05B65/5261; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0803; Y10T292/0805; Y10T292/0825; Y10T292/0826; Y10T292/0833; Y10T292/0886; Y10T292/0887; Y10T292/0891; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0918; Y10T70/00; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/5058; Y10T70/5062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US530862A
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US2709909A
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US1566997A
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US2260674A
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US2242550A
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US2233115A
Cited
US2478433A
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US2478434A
Cited
US2677262A
Cited
US2703727A
Cited
US2769330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |