Patent US3241428A successfully refreshed from Google Patents.
US3241428A
Expired / Lapsed
US
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Plastic fastening device
Assignee: Individual
•
Filing: 1962-02-21
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Granted: 1966-03-22
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Expires: 1982-02-21
Abstract
No abstract record available.
Inventors
- 👤 Fischer Artur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:04
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/12; F16B13/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1229528A
Cited
US2255650A
Cited
US2379786A
Cited
GB603984A
Cited
US2448351A
Cited
FR1234665A
Cited
FR1240813A
Cited
US3027670A
Cited
US3045308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |