US3529173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incremental modulating controller for electrical apparatus
Assignee: Marley Wylain Co LLC
•
Filing: 1968-02-05
•
Granted: 1970-09-15
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Expires: 1988-02-05
Abstract
No abstract record available.
Inventors
- 👤 Sheonarayan Verma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:35
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/32; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/1912; G05D23/1927; G05D23/193; G05D23/1931; G05D23/20; G05D23/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3205368A
Cited
US3286613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |