Patent US3056953A successfully refreshed from Google Patents.
US3056953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positional and velocity null indicator for machine control systems
Assignee: Inductosyn Corp
•
Filing: 1959-07-16
•
Granted: 1962-10-02
•
Expires: 1979-07-16
Abstract
No abstract record available.
Inventors
- 👤 Robert W Tripp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:08
CPC Classifications
G; G01; G01D; G01D21/00; G01D21/02; B; B23; B23Q; B23Q15/00; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/0405; G05B2219/00; G05B2219/30; G05B2219/34; G05B2219/34388; G05B2219/50; G05B2219/50043
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2008912A
Cited
US2832020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |