Patent US3525110A successfully refreshed from Google Patents.
US3525110A
Expired / Lapsed
US
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Method of making shoes over sheathed lasts
Assignee: Batchelder Rubico Inc
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Filing: 1969-03-07
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Granted: 1970-08-25
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Expires: 1989-03-07
Abstract
No abstract record available.
Inventors
- 👤 Charles F Batchelder
- 👤 Jerome A Rubico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:52
CPC Classifications
A; A43; A43D; A43D3/00; A43D3/02; A43D3/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |