US3530319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch assembly for adjustable speed tool
Assignee: Cutler Hammer Inc
•
Filing: 1969-03-26
•
Granted: 1970-09-22
•
Expires: 1989-03-26
Abstract
No abstract record available.
Inventors
- 👤 Robert E Larkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:39
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/02; H01H9/06; H01H9/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3156804A
Cited
US3221192A
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US3225232A
Cited
US3329842A
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US3456230A
Cited
US3447057A
Cited
US3458793A
Cited
US3470339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |