US2777496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener secured to strip by staking
Assignee: Prestole Corp
•
Filing: 1955-12-22
•
Granted: 1957-01-15
•
Expires: 1975-12-22
Abstract
No abstract record available.
Inventors
- 👤 Khan Aman Ullah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:38
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/06; F16B37/062; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1014684A
Cited
US1272919A
Cited
US1852978A
Cited
US1872385A
Cited
GB503900A
Cited
US2335593A
Cited
US2455145A
Cited
US2631634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |