Patent US2113083A successfully refreshed from Google Patents.
Patent US1880935A successfully refreshed from Google Patents.
US1880935A
Expired / Lapsed
US
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Blank cutting machine
Assignee: Pro Phy Lac Tic Brush Co
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Filing: 1929-08-02
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Granted: 1932-10-04
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Expires: 1949-08-02
Abstract
No abstract record available.
Inventors
- 👤 William S Elliot
- 👤 Frederic A Parkhurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:52
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/40; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2066; Y10T83/2092; Y10T83/2209; Y10T83/2216; Y10T83/444; Y10T83/4475; Y10T83/4486; Y10T83/4488
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) | 1935-10-04 | 1936-04-04 | 1936-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-10-04 | 1940-04-04 | 1940-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-10-04 | 1944-04-04 | 1944-10-04 | $7700.00 | Window Closed / Lapsed |