Patent US3435640A successfully refreshed from Google Patents.
US3435640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knife rest for a band shaped splitting knife
Assignee: Strojosvit np
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Filing: 1967-11-21
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Granted: 1969-04-01
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Expires: 1987-11-21
Abstract
No abstract record available.
Inventors
- 👤 Frantisek Flekac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:11
CPC Classifications
C; C14; C14B; C14B1/00; C14B1/02; C14B1/14; C14B2700/00; C14B2700/10; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6572; Y10T83/6576; Y10T83/707; Y10T83/7264
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) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |