Patent US2562032A successfully refreshed from Google Patents.
US2562032A
Expired / Lapsed
US
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Screw and bolt lock
Assignee: C DUDLEY DE VELBISS
•
Filing: 1945-11-07
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Granted: 1951-07-24
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Expires: 1965-11-07
Abstract
No abstract record available.
Inventors
- 👤 Charles V Gutensohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:45
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/24; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/936; Y10S411/955; Y10S411/956; Y10S411/957; Y10S411/959
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1551389A
Cited
US723419A
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US679618A
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US735336A
Cited
GB191100797A
Cited
US1180561A
Cited
US1213071A
Cited
US1347124A
Cited
GB194377A
Cited
GB477143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |