US2541906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal for electric motors
Assignee: Fairbanks Morse and Co
•
Filing: 1948-09-25
•
Granted: 1951-02-13
•
Expires: 1968-09-25
Abstract
No abstract record available.
Inventors
- 👤 Gordon R Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:47
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/128; H02K5/1282
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US50107A
Cited
US592244A
Cited
US593571A
Cited
US1233569A
Cited
US2275712A
Cited
US2295404A
Cited
US2335276A
Cited
US2444687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |