US3524184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical encoder
Assignee: DH Baldwin Co
•
Filing: 1966-10-21
•
Granted: 1970-08-11
•
Expires: 1986-10-21
Abstract
No abstract record available.
Inventors
- 👤 John Brean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:38
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2956171A
Cited
US3023406A
Cited
US3169212A
Cited
US3205491A
Cited
US3276010A
Cited
US3297910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |