US2643720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cutting sheet material
Assignee: Johns Manville Corp
•
Filing: 1948-05-27
•
Granted: 1953-06-30
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Expires: 1968-05-27
Abstract
No abstract record available.
Inventors
- 👤 William S Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:46
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/26; B26D1/30; B26D1/305; B28; B28D; B28D1/00; B28D1/22; B28D1/222; B28D1/223; Y; Y10; Y10S; Y10S83/00; Y10S83/916; Y10T; Y10T83/00; Y10T83/748; Y10T83/7487; Y10T83/758; Y10T83/869; Y10T83/8742; Y10T83/8743
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR359615A
Cited
US830706A
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US925096A
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US1730474A
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US1914528A
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US2210136A
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US2168704A
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US2198613A
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US2372784A
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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) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |