Patent US3402329A successfully refreshed from Google Patents.
US3402329A
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US
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Multiple condition switch controlling apparatus
Assignee: Individual
•
Filing: 1965-08-06
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Granted: 1968-09-17
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Expires: 1985-08-06
Abstract
No abstract record available.
Inventors
- 👤 Walter R Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:36
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/02; G08B13/10; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2962609A
Cited
US2927254A
Cited
US3082357A
Cited
US3113242A
Cited
US3286135A
Cited
US3325657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |