US3526753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-shock control devices for electrically heated glass
Assignee: Ardco Inc
•
Filing: 1966-12-08
•
Granted: 1970-09-01
•
Expires: 1986-12-08
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Aisanich
- 👤 Frederic A Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:11
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/84; F; F25; F25D; F25D21/00; F25D21/04; H02; H02H; H02H3/00; H02H3/12; H02H5/00; H02H5/10; H05B1/00; H05B1/02; H05B1/0227; H05B1/023; H05B1/0236; H05B2203/00; H05B2203/035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2806118A
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US2756382A
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US2914637A
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US2898433A
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US2945933A
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US3330942A
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US3379859A
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US3449551A
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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) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |