US2897666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key lockable latch structure
Assignee: Presto Lock Co Inc
•
Filing: 1955-10-07
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Granted: 1959-08-04
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Expires: 1975-10-07
Abstract
No abstract record available.
Inventors
- 👤 Alfred G Gumport
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:05
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/52; E05B65/5207; E05B65/5215; E05B65/523; E05B65/5238; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; 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)
US200904A
Cited
US438823A
Cited
US1559898A
Cited
US2233115A
Cited
US2294120A
Cited
CH240081A
Cited
GB599584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |