Patent US2467728A successfully refreshed from Google Patents.
US2467728A
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Sawing apparatus
Assignee: Celotex Corp
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Filing: 1946-11-14
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Granted: 1949-04-19
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Expires: 1966-11-14
Abstract
No abstract record available.
Inventors
- 👤 George H Burt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:20
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/04; B28D1/048; B23; B23D; B23D47/00; B23D47/04; B23D47/045; B27; B27B; B27B5/00; B27B5/16; B27B5/22; B27B5/228; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/21; Y10T83/647; Y10T83/654; Y10T83/6584; Y10T83/6587; Y10T83/6588; Y10T83/6608; Y10T83/6622; Y10T83/6624
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) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |