US2965928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical last exchangers
Assignee: Bata Shoe Financial Corp of Canada Ltd
•
Filing: 1957-10-17
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Granted: 1960-12-27
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Expires: 1977-10-17
Abstract
No abstract record available.
Inventors
- 👤 Vladimir A Vdolek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:54
CPC Classifications
A; A43; A43D; A43D3/00; A43D3/12; B; B29; B29C; B29C43/00; B29K; B29K2021/00; Y; Y10; Y10S; Y10S266/00; Y10S266/901; Y10S425/00; Y10S425/20
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) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |