US3501988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guillotine-type paper cutter
Assignee: California Institute Research Foundation
•
Filing: 1966-05-31
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Granted: 1970-03-24
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Expires: 1986-05-31
Abstract
No abstract record available.
Inventors
- 👤 Dino A Morelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:49
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/20; B26D1/00; B26D1/01; B26D1/04; B26D1/06; B26D1/08; B26D7/01; B26D7/015; B26D7/016; B26D7/02; B26D7/025; B26D7/26; B26D7/2614; Y; Y10; Y10T; Y10T83/00; Y10T83/283; Y10T83/293; Y10T83/748; Y10T83/7487; Y10T83/7547; Y10T83/869; Y10T83/8821; Y10T83/8837; Y10T83/8857; Y10T83/8858; Y10T83/8866; Y10T83/887; Y10T83/929; Y10T83/9411; Y10T83/9457; Y10T83/9473; Y10T83/9478
Claims Analysis
Total Claims: 0
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US1952073A
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US3234979A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |