US2816462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision boring machine
Assignee: MASSARI BROTHERS MACHINE Co
•
Filing: 1956-04-26
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Granted: 1957-12-17
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Expires: 1976-04-26
Abstract
No abstract record available.
Inventors
- 👤 Seth M Babbitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:17
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/01; B23Q2701/00; B23Q2701/01; Y; Y10; Y10T; Y10T408/00; Y10T408/18; Y10T408/47; Y10T408/482; Y10T408/55; Y10T408/561; Y10T408/5626; Y10T408/5627; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/1828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US419071A
Cited
US1679027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |