US3493956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Stewart Warner Corp
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Filing: 1968-02-05
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Granted: 1970-02-03
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Expires: 1988-02-05
Abstract
No abstract record available.
Inventors
- 👤 Russell W Andrews
- 👤 Paul M Kolesar
- 👤 Robert A Payne
- 👤 Howard G Posner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:03
CPC Classifications
H; H04; H04L; H04L12/00; H04L12/02; H04L12/16; H04L12/18; H04L12/1804; G; G09; G09G; G09G3/00; G09G3/04; G09G3/06; G09G3/10; G09G5/00; G09G5/22; G09G5/222; G09G2310/00; G09G2310/02; G09G2310/0264; G09G2310/0286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2021010A
Cited
US2772410A
Cited
US2927247A
Cited
US3286029A
Cited
US3432846A
Cited
US3422420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |