US3145304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric motor-speed foot controller
Assignee: Singer Co
•
Filing: 1962-05-21
•
Granted: 1964-08-18
•
Expires: 1982-05-21
Abstract
No abstract record available.
Inventors
- 👤 Mark R Bostrom
- 👤 Edward W Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:26
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/292; H02P7/295; D; D05; D05B; D05B69/00; D05B69/14; D05B69/18; G; G01; G01D; G01D5/00; G01D5/26; G01D5/32; G01D5/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2832259A
Cited
US3046831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |