US2823749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for trimming sheet material
Assignee: Individual
•
Filing: 1954-08-23
•
Granted: 1958-02-18
•
Expires: 1974-08-23
Abstract
No abstract record available.
Inventors
- 👤 George H Chamberlain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:26
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/20; B26D1/205; Y; Y10; Y10T; Y10T83/00; Y10T83/626; Y10T83/637; Y10T83/768; Y10T83/7755; Y10T83/7759; Y10T83/7763; Y10T83/7784
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1234922A
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US1296000A
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US1730560A
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US1732148A
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US1920591A
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US2374281A
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US2551811A
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US2626665A
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US2670040A
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US2713904A
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US2711617A
Cited
US2727571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |