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US3450855A
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Assignee: Robertshaw Controls Co
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Filing: 1966-09-02
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Granted: 1969-06-17
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Expires: 1986-09-02
Abstract
No abstract record available.
Inventors
- 👤 William J Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:20
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/04; H01H21/00; H01H21/02; H01H21/18; H01H21/22; H01H21/24; H01H21/28; H01H2021/287
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2494428A
Cited
US2806912A
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US2916591A
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US2942227A
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US3067362A
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US3122681A
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US3158703A
Cited
US3317697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |