Patent US2961780A successfully refreshed from Google Patents.
US2961780A
Expired / Lapsed
US
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Bottom filler for welt shoes
Assignee: Individual
•
Filing: 1958-04-03
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Granted: 1960-11-29
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Expires: 1978-04-03
Abstract
No abstract record available.
Inventors
- 👤 Roger F Mcmanus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:14
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/1405; A43B7/1415; A43B7/1425; A43B7/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB217833A
Cited
US1757993A
Cited
US1960418A
Cited
US1977693A
Cited
US1976389A
Cited
US2439172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |