US2095631A
Expired / Lapsed
US
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Cutting device
Assignee: United States Gypsum Co
•
Filing: 1936-07-06
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Granted: 1937-10-12
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Expires: 1956-07-06
Abstract
No abstract record available.
Inventors
- 👤 Donald A Cumfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:23
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/18; B26F1/20; B26F1/02; B26F1/06; B26F1/08; B28; B28B; B28B11/00; B28B11/14; B28B11/16; Y; Y10; Y10S; Y10S83/00; Y10S83/92; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/21; Y10T83/2105; Y10T83/2107; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4838
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-10-11 | 1941-04-12 | 1941-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-11 | 1945-04-12 | 1945-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-11 | 1949-04-12 | 1949-10-12 | $7700.00 | Window Closed / Lapsed |