US3538315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Numerical control system
Assignee: Pratt and Whitney Co Inc
•
Filing: 1967-04-17
•
Granted: 1970-11-03
•
Expires: 1987-04-17
Abstract
No abstract record available.
Inventors
- 👤 Johann F Reuteler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:39
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/41; G05B19/4103; G05B2219/00; G05B2219/30; G05B2219/41; G05B2219/41186; G05B2219/43; G05B2219/43008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3286085A
Cited
US3417303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |