US3053127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: SPRINGFIELD MACHINE TOOL CO
•
Filing: 1958-12-10
•
Granted: 1962-09-11
•
Expires: 1978-12-10
Abstract
No abstract record available.
Inventors
- 👤 Richard C Montanus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:07
CPC Classifications
B; B23; B23B; B23B23/00; F; F15; F15B; F15B3/00; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2564; Y10T82/2568
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |