Patent US2580495A successfully refreshed from Google Patents.
US2580495A
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Combination releasable locking device
Assignee: Individual
•
Filing: 1947-01-20
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Granted: 1952-01-01
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Expires: 1967-01-20
Abstract
No abstract record available.
Inventors
- 👤 Elmer O Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:21
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45723; Y10T24/45733; Y10T24/4588; Y10T24/45885; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US266600A
Cited
US291519A
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US405962A
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US1968557A
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GB441173A
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US2081606A
Cited
US2164657A
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US2326558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |