Patent US1844316A successfully refreshed from Google Patents.
US1844316A
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US
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Boring and grinding machine
Assignee: Simplicity Manufacturing Inc
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Filing: 1929-05-27
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Granted: 1932-02-09
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Expires: 1949-05-27
Abstract
No abstract record available.
Inventors
- 👤 Fryckberg Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:16
CPC Classifications
B; B23; B23Q; B23Q9/00; B23Q2709/00; Y; Y10; Y10S; Y10S408/00; Y10S408/709; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T29/5108; Y10T408/00; Y10T408/55; Y10T408/553
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) | 1935-02-08 | 1935-08-10 | 1936-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-02-08 | 1939-08-10 | 1940-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-02-08 | 1943-08-10 | 1944-02-09 | $7700.00 | Window Closed / Lapsed |