Patent US2441915A successfully refreshed from Google Patents.
US2441915A
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Grooving machine
Assignee: Genesis Worldwide Inc
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Filing: 1944-04-03
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Granted: 1948-05-18
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Expires: 1964-04-03
Abstract
No abstract record available.
Inventors
- 👤 Philber A Abe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:19
CPC Classifications
B; B23; B23Q; B23Q27/00; B23Q27/006; B23C; B23C3/00; B23C3/28; B23C3/34; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/307448; Y10T409/30756
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) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |