US3523232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jerk,acceleration,and velocity limited position pattern generator for an elevator system
Assignee: Schindler Elevator Corp
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Filing: 1964-07-06
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Granted: 1970-08-04
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Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Donivan L Hall
- 👤 Richard C Loshbough
- 👤 Gerald D Robaszkiewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:23
CPC Classifications
B; B66; B66B; B66B1/00; B66B1/24; B66B1/28; B66B1/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2699226A
Cited
US2954514A
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US3012180A
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US3146857A
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US3187243A
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US3350612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |