US3061749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Commutator
Assignee: Hoover Universal Inc
•
Filing: 1959-07-09
•
Granted: 1962-10-30
•
Expires: 1979-07-09
Abstract
No abstract record available.
Inventors
- 👤 Robert L Hohler
- 👤 Lloyd D Yarnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:16
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US702272A
Cited
US1189235A
Cited
US1276856A
Cited
US2250156A
Cited
US2572956A
Cited
US2535825A
Cited
US2648792A
Cited
US2826707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |