US3435105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacturing a balloon-type helical insulator
Assignee: AT&T Inc
•
Filing: 1965-10-11
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Granted: 1969-03-25
•
Expires: 1985-10-11
Abstract
No abstract record available.
Inventors
- 👤 Armando Gene Ferrari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:45
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/067; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49874; Y10T29/53; Y10T29/53126; Y10T29/5313; Y10T29/532
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2465482A
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US2513106A
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US2708176A
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US2760228A
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US2805180A
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US2743759A
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US3223760A
Cited
US3327039A
Cited
US3288895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |