Patent US2697287A successfully refreshed from Google Patents.
US2697287A
Expired / Lapsed
US
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Footwear attachment
Assignee: GEORGE E SWAIN
•
Filing: 1950-12-18
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Granted: 1954-12-21
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Expires: 1970-12-18
Abstract
No abstract record available.
Inventors
- 👤 Millard Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:58
CPC Classifications
A; A43; A43C; A43C15/00; A43C15/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194191A
Cited
CH40317A
Cited
GB300454A
Cited
US1995989A
Cited
US2065727A
Cited
US2313316A
Cited
US2450768A
Cited
US2538182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |