US2136523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Socket head cap screw or like fastener
Assignee: Individual
•
Filing: 1937-01-26
•
Granted: 1938-11-15
•
Expires: 1957-01-26
Abstract
No abstract record available.
Inventors
- 👤 Rosenberg Heyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:48
CPC Classifications
F; F16; F16B; F16B23/00; F16B23/0061; F16B35/00; F16B35/04; F16B35/06; F16B39/00; F16B39/22; F16B39/28; F16B39/282; F16B41/00; F16B41/005; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/957; Y10S411/959; Y10S411/965; Y10S411/968
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-11-14 | 1942-05-16 | 1942-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-14 | 1946-05-16 | 1946-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-14 | 1950-05-16 | 1950-11-15 | $7700.00 | Window Closed / Lapsed |