US3464310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incurvated fastener
Assignee: Individual
•
Filing: 1968-03-20
•
Granted: 1969-09-02
•
Expires: 1988-03-20
Abstract
No abstract record available.
Inventors
- 👤 Chandley W Lambert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:17
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US340117A
Cited
US605833A
Cited
US618868A
Cited
US663521A
Cited
US878550A
Cited
US1475827A
Cited
US1835524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |