US3313200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansible fastener means
Assignee: Individual
•
Filing: 1965-02-12
•
Granted: 1967-04-11
•
Expires: 1985-02-12
Abstract
No abstract record available.
Inventors
- 👤 Fischer Artur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:13
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/08; F; F16; F16B; F16B13/00; F16B13/04; F16B13/06; F16B13/063; F16B13/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1109955A
Cited
US1407782A
Cited
US1650957A
Cited
US2381113A
Cited
US2653334A
Cited
US3196733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |