Patent US3538361A successfully refreshed from Google Patents.
US3538361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternator with bi-directional cooling means
Assignee: Prestolite Electric Inc
•
Filing: 1968-08-09
•
Granted: 1970-11-03
•
Expires: 1988-08-09
Abstract
No abstract record available.
Inventors
- 👤 Donn W Hilterbrick
- 👤 Clarence A Haut
- 👤 Chester C Quantz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:25
CPC Classifications
H; H02; H02K; H02K11/00; H02K11/04; H02K11/049; H02K11/05
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3041484A
Cited
US3271601A
Cited
US3295046A
Cited
US3329840A
Cited
US3329841A
Cited
US3250928A
Cited
US3311764A
Cited
US3378708A
Cited
US3361915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |