Patent US4474728A successfully refreshed from Google Patents.
US1027408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming uppers of boots and shoes.
Assignee: USM Ltd
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Filing: 1907-08-05
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Granted: 1912-05-28
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Expires: 1927-08-05
Abstract
No abstract record available.
Inventors
- 👤 Karl Engel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:52
CPC Classifications
A; A43; A43D; A43D11/00; A43D11/12
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) | 1915-05-28 | 1915-11-27 | 1916-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-05-28 | 1919-11-27 | 1920-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-05-28 | 1923-11-27 | 1924-05-28 | $7700.00 | Window Closed / Lapsed |