Patent US3441819A successfully refreshed from Google Patents.
US3441819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating linear motor
Assignee: Superior Electric Co
•
Filing: 1966-04-18
•
Granted: 1969-04-29
•
Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 Albert Palmero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:30
CPC Classifications
H; H02; H02K; H02K41/00; H02K41/02; H02K41/03; H02K37/00; H02K37/10; H02K37/12; H02K37/14; H02K37/18; H02K2201/00; H02K2201/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB842376A
Cited
US2915654A
Cited
US2848632A
Cited
US3135880A
Cited
US3162796A
Cited
US3265911A
Cited
US3292065A
Cited
US3268747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |