Patent US1790080A successfully refreshed from Google Patents.
Patent US1938689A successfully refreshed from Google Patents.
US1938689A
Expired / Lapsed
US
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Machine for operating upon lasts
Assignee: United Shoe Machinery Corp
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Filing: 1930-12-10
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Granted: 1933-12-12
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Expires: 1950-12-10
Abstract
No abstract record available.
Inventors
- 👤 Ira C Buckminster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:25
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/20; Y; Y10; Y10T; Y10T408/00; Y10T408/34; Y10T408/55; Y10T408/561; Y10T408/5614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-12-11 | 1937-06-12 | 1937-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-12-11 | 1941-06-12 | 1941-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-12-11 | 1945-06-12 | 1945-12-12 | $7700.00 | Window Closed / Lapsed |