US2970231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing composition for turbine generator exciter rotors
Assignee: Westinghouse Electric Corp
•
Filing: 1958-10-08
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Granted: 1961-01-31
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Expires: 1978-10-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Dow A Rogers
- 👤 Robert J Hillen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:22
CPC Classifications
C; C08; C08L; C08L63/00; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08G59/4215; H; H02; H02K; H02K13/00; H02K13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2712535A
Cited
US2550574A
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GB758146A
Cited
US2871454A
Cited
US2820914A
Cited
US2866768A
Cited
US2814744A
Cited
US2846599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |