Patent US2830672A successfully refreshed from Google Patents.
Patent US2647773A successfully refreshed from Google Patents.
US2647773A
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Assignee: Old Carco LLC
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Filing: 1948-10-16
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Granted: 1953-08-04
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Expires: 1968-10-16
Abstract
No abstract record available.
Inventors
- 👤 Carl H Berner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:17
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/38; Y; Y10; Y10S; Y10S277/00; Y10S277/91; Y10S277/929; Y10S277/935; Y10S277/944
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
GB190608816A
Cited
US1342131A
Cited
US1528334A
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GB266479A
Cited
GB379210A
Cited
GB461861A
Cited
US2215034A
Cited
US2408314A
Cited
US2503086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |