US3525912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selectable power source for a motor driven appliance
Assignee: Hamilton Beach Inc
•
Filing: 1966-11-22
•
Granted: 1970-08-25
•
Expires: 1986-11-22
Abstract
No abstract record available.
Inventors
- 👤 Gus W Wallin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:25
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/221; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/08; A47J43/082; B; B23; B23B; B23B45/00; B23B45/02; B26; B26B; B26B19/00; B26B19/28; B26B19/286; G; G05; G05B; G05B5/00; G05B5/01; H; H02; H02J; H02J7/00; H02J7/70; H02J7/731; H02K; H02K23/00; H02K23/26; H02K23/36; H02P; H02P4/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1902954A
Cited
US2466900A
Cited
US2677798A
Cited
DE1052265B
Cited
US3200319A
Cited
US3311763A
Cited
US3426261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |