Patent US2480078A successfully refreshed from Google Patents.
US2480078A
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Process of shoemaking characterized by the employment of a special stiffener
Assignee: Beckwith Manufacturing Co
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Filing: 1946-01-10
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Granted: 1949-08-23
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Expires: 1966-01-10
Abstract
No abstract record available.
Inventors
- 👤 Walter H Heaton
- 👤 Harry H Straw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:38
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/08; A43B23/081; A43B23/086; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US559618A
Cited
US749267A
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US1191315A
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US1678139A
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US1982725A
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US2063690A
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US2332501A
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US2414104A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |