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US2452022A
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Assignee: General Register Corp
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Filing: 1947-05-02
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Granted: 1948-10-19
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Expires: 1967-05-02
Abstract
No abstract record available.
Inventors
- 👤 Richard I N Weingart
- 👤 Torkel E Torkelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:01
CPC Classifications
G; G07; G07B; G07B11/00; G07B11/02; G07B11/07; G07B11/09; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4463; Y10T83/4465
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) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |