US2743461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insert nut and flange
Assignee: The Guarantee Specialty Manufacturing Co
•
Filing: 1952-07-03
•
Granted: 1956-05-01
•
Expires: 1972-07-03
Abstract
No abstract record available.
Inventors
- 👤 Ernest J Urbas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:50
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/02; E; E03; E03C; E03C1/00; E03C1/02; E03C1/04; E03C1/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1406030A
Cited
US1424250A
Cited
US638611A
Cited
US1261232A
Cited
FR635044A
Cited
US2064091A
Cited
US2096602A
Cited
US2284081A
Cited
US2397251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |