US3529216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control system utilizing a.c. transmission lines
Assignee: Sonus Corp
•
Filing: 1967-06-29
•
Granted: 1970-09-15
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Expires: 1987-06-29
Abstract
No abstract record available.
Inventors
- 👤 Eric A Kolm
- 👤 John J Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:28
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/54; H02; H02J; H02J13/00; H02J13/13; H02J13/1311; H02J13/1313; H04B2203/00; H04B2203/54; H04B2203/5429; H04B2203/5458; Y; Y02; Y02E; Y02E60/00; Y04; Y04S; Y04S40/00; Y04S40/12; Y04S40/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2913711A
Cited
US3119047A
Cited
US3287722A
Cited
US3283316A
Cited
US3334340A
Cited
US3388389A
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 |