US2537837A
Expired / Lapsed
US
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Assignee: Carey-Mcfall Co
•
Filing: 1947-10-22
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Granted: 1951-01-09
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Expires: 1967-10-22
Abstract
No abstract record available.
Inventors
- 👤 Anthony F Labrozzi
- 👤 John R Potack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:23
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1655; B23B27/1625; B23B2200/00; B23B2200/08; B23B2200/086; B23B2200/088; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2252; Y10T407/2256; Y10T407/2258; Y10T407/2272; Y10T407/2282
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) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |