Patent US2435876A successfully refreshed from Google Patents.
US2435876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blind bolt
Assignee: Shellmar Products Corp
•
Filing: 1944-06-20
•
Granted: 1948-02-10
•
Expires: 1964-06-20
Abstract
No abstract record available.
Inventors
- 👤 Swart Jan De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:46
CPC Classifications
F; F16; F16B; F16B29/00; F16B13/00; F16B13/04; F16B13/06; F16B13/063; F16B13/066; Y; Y10; Y10S; Y10S264/00; Y10S264/66
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US462601A
Cited
US228816A
Cited
US1122280A
Cited
US976096A
Cited
US1158633A
Cited
US1469667A
Cited
US1814965A
Cited
US1640433A
Cited
US1718438A
Cited
US1738609A
Cited
US1935336A
Cited
US1927271A
Cited
US2150080A
Cited
US2296470A
Cited
US2333277A
Cited
US2319376A
Cited
US2365372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-09 | 1951-08-11 | 1952-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-09 | 1955-08-11 | 1956-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-09 | 1959-08-11 | 1960-02-10 | $7700.00 | Window Closed / Lapsed |