US3191910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guiding device
Assignee: Telsta Corp
•
Filing: 1961-09-13
•
Granted: 1965-06-29
•
Expires: 1981-09-13
Abstract
No abstract record available.
Inventors
- 👤 Jay M Eitel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:24
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/02; H02G1/04; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44684
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2149760A
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US2453963A
Cited
CH275919A
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US2613256A
Cited
US2555059A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |