US2632341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for boring bearings
Assignee: Tobin Arp Manufacturing Co
•
Filing: 1951-12-10
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Granted: 1953-03-24
•
Expires: 1971-12-10
Abstract
No abstract record available.
Inventors
- 👤 Ewald A Arp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:07
CPC Classifications
B; B23; B23B; B23B41/00; B23B41/12; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/55; Y10T408/563
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1550217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |