US2500230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Register regulator for printing presses
Assignee: Westinghouse Electric Corp
•
Filing: 1946-12-10
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Granted: 1950-03-14
•
Expires: 1966-12-10
Abstract
No abstract record available.
Inventors
- 👤 Francis T Bailey
- 👤 Stephen L Burgwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:45
CPC Classifications
B; B41; B41F; B41F13/00; B41F13/02; B41F13/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |