US2873629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-controlled boring machine
Assignee: Individual
•
Filing: 1955-05-03
•
Granted: 1959-02-17
•
Expires: 1975-05-03
Abstract
No abstract record available.
Inventors
- 👤 Frautschi Andre
- 👤 Monney Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:34
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/26; B23Q5/266; B23Q5/268; B23Q35/00; B23Q35/02; Y; Y10; Y10T; Y10T408/00; Y10T408/08; Y10T408/16; Y10T408/17
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) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |