Patent US4438471A successfully refreshed from Google Patents.
Patent US2005885A successfully refreshed from Google Patents.
US2005885A
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Roll
Assignee: Westinghouse Electric Corp
•
Filing: 1932-01-23
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Granted: 1935-06-25
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Expires: 1952-01-23
Abstract
No abstract record available.
Inventors
- 👤 William E Brindley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:11
CPC Classifications
D; D21; D21G; D21G1/00; D21G1/02; D21G1/0233; D21G1/024; D21F; D21F1/00; D21F1/36; D21F1/40; D21F3/00; D21F3/02; D21F3/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/49547; Y10T29/49549
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-06-24 | 1938-12-24 | 1939-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-06-24 | 1942-12-24 | 1943-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-06-24 | 1946-12-24 | 1947-06-25 | $7700.00 | Window Closed / Lapsed |