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US2594582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring latch
Assignee: Individual
•
Filing: 1947-10-06
•
Granted: 1952-04-29
•
Expires: 1967-10-06
Abstract
No abstract record available.
Inventors
- 👤 Bert A Quinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:47
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/02; E05C19/026; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0814; Y10T292/0818
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US426938A
Cited
US879174A
Cited
US1230920A
Cited
GB264373A
Cited
US1973971A
Cited
US2244344A
Cited
US2376325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |