US2977829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine reamer
Assignee: MASCH und PRAZISIONSWERKZEUGF
•
Filing: 1956-02-29
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Granted: 1961-04-04
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Expires: 1976-02-29
Abstract
No abstract record available.
Inventors
- 👤 Thoma Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:00
CPC Classifications
B; B23; B23D; B23D77/00; B23D77/02; B23D77/04; B23D77/044; B23D2277/00; B23D2277/20; B23D2277/201; B23D2277/46; Y; Y10; Y10T; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8598; Y10T408/89; Y10T408/892; Y10T408/8928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US552065A
Cited
US619450A
Cited
US1414565A
Cited
US1923177A
Cited
US2092984A
Cited
US2391794A
Cited
US2606464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |