US3527949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low energy,interference-free,pulsed signal transmitting and receiving device
Assignee: General Electric Co
•
Filing: 1967-02-15
•
Granted: 1970-09-08
•
Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Gerald C Huth
- 👤 Robert J Locker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:14
CPC Classifications
H; H04; H04B; H04B10/00; H04B10/11; G; G01; G01S; G01S17/00; G01S17/02; G01S17/06; G01S17/08; G01S17/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2970310A
Cited
US2776367A
Cited
US3200259A
Cited
US3227882A
Cited
US3223938A
Cited
US3267294A
Cited
US3319080A
Cited
US3379888A
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 |