US3537677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for encapsulating electrical windings
Assignee: Westinghouse Electric Corp
•
Filing: 1967-10-17
•
Granted: 1970-11-03
•
Expires: 1987-10-17
Abstract
No abstract record available.
Inventors
- 👤 John F Cotton
- 👤 Edgar R Eley
- 👤 Robert A Kurz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:05
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/38; B29C33/40; B29C33/405
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1845116A
Cited
US1826297A
Cited
US1932391A
Cited
US2568128A
Cited
US2986797A
Cited
US2944297A
Cited
US3046604A
Cited
US3222442A
Cited
US3238286A
Cited
US3325861A
Cited
US3248758A
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 |