Patent US2745308A successfully refreshed from Google Patents.
US2745308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal nail having channel shaped, barbed spreading legs
Assignee: Individual
•
Filing: 1955-03-29
•
Granted: 1956-05-15
•
Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Gisondi Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:34
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/06; F16B15/04; Y; Y10; Y10S; Y10S411/00; Y10S411/921; Y10S411/922; Y10S411/923
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US172753A
Cited
US285640A
Cited
US308837A
Cited
US727111A
Cited
GB191311065A
Cited
GB192492A
Cited
GB414513A
Cited
USRE22758E
Cited
FR891332A
Cited
US2427959A
Cited
US2559570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |