Patent US2509768A successfully refreshed from Google Patents.
US2509768A
Expired / Lapsed
US
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Self-locking and wire-protecting nut for conduits
Assignee: Individual
•
Filing: 1945-01-10
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Granted: 1950-05-30
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Expires: 1965-01-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:23
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/06; H02G3/0616; H02G3/0625; H02G3/0683; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/947
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US240892A
Cited
US672589A
Cited
GB206275A
Cited
US1976817A
Cited
US2338316A
Cited
US2336791A
Cited
US2326681A
Cited
US2342317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-29 | 1953-11-28 | 1954-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-29 | 1957-11-28 | 1958-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-29 | 1961-11-28 | 1962-05-30 | $7700.00 | Window Closed / Lapsed |