Patent US2601996A successfully refreshed from Google Patents.
US2601996A
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Seal
Assignee: Chicago Rawhide Manufacturing Co Inc
•
Filing: 1947-07-03
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Granted: 1952-07-01
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Expires: 1967-07-03
Abstract
No abstract record available.
Inventors
- 👤 John H Sefren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:23
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/36; Y; Y10; Y10S; Y10S285/00; Y10S285/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2379868A
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US2395095A
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US2419385A
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US2463695A
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US2444713A
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US2464988A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |