US2987598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for severing plastic material
Assignee: Individual
•
Filing: 1958-05-09
•
Granted: 1961-06-06
•
Expires: 1978-05-09
Abstract
No abstract record available.
Inventors
- 👤 Howard E Chace
- 👤 Robert E Haynes
- 👤 Chester B Derr
- 👤 Bernard P Gagnon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:17
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/006; B26F; B26F3/00; B26F3/06; B26F3/08; B26F3/12; Y; Y10; Y10T; Y10T83/00; Y10T83/283; Y10T83/293; Y10T83/929; Y10T83/9292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US203654A
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US771518A
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US1661354A
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US2216604A
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US2226413A
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US2419184A
Cited
US2601878A
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US2452738A
Cited
US2551811A
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US2692328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |