US3527962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool limit switch
Assignee: Energy Conversion Devices Inc
•
Filing: 1966-06-07
•
Granted: 1970-09-08
•
Expires: 1986-06-07
Abstract
No abstract record available.
Inventors
- 👤 Stanford R Ovshinsky
- 👤 Lionel Robbins
- 👤 Paul R Lundgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:47
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/722; H03K17/723; H03K17/94; H03K17/965; H03K17/97; H03K2017/9706
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2374883A
Cited
US2334543A
Cited
US2472389A
Cited
US3068332A
Cited
US3360713A
Cited
US3327194A
Cited
US3364318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |