US3055103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making sheet metal fasteners
Assignee: FT Products Ltd
•
Filing: 1957-12-11
•
Granted: 1962-09-25
•
Expires: 1977-12-11
Abstract
No abstract record available.
Inventors
- 👤 Fernberg Eric Birger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:29
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/12; F16B5/123; F16B5/125; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US761988A
Cited
US881757A
Cited
US1328975A
Cited
US2146964A
Cited
GB528294A
Cited
US2618033A
Cited
US2803048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |