US3399435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grommet assembly
Assignee: United Shoe Machinery Corp
•
Filing: 1966-12-28
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Granted: 1968-09-03
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Expires: 1986-12-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph I Ackerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:35
CPC Classifications
F; F16; F16B; F16B11/00; F16B11/006; A; A43; A43C; A43C5/00; A44; A44B; A44B13/00; A44B13/0058; A44B13/0076; A44B13/0082; Y; Y10; Y10T; Y10T24/00; Y10T24/37; Y10T24/3742; Y10T24/3745
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US700121A
Cited
US1031024A
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US2143087A
Cited
US2180960A
Cited
US2583719A
Cited
US2501465A
Cited
FR995680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |