US2883566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible dynamo electric machine
Assignee: AMF Inc
•
Filing: 1955-10-27
•
Granted: 1959-04-21
•
Expires: 1975-10-27
Abstract
No abstract record available.
Inventors
- 👤 Eugene C Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:50
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/128; H02K5/1285
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE628541C
Cited
US2735950A
Cited
US1427974A
Cited
GB253538A
Cited
US2043236A
Cited
US2279014A
Cited
US2261915A
Cited
US2246751A
Cited
US2568548A
Cited
US2594096A
Cited
US2602785A
Cited
US2736825A
Cited
US2761078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |