Patent US2626136A successfully refreshed from Google Patents.
US2626136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Krauss
Assignee: —
•
Filing: —
•
Granted: 1953-01-20
•
Expires: 1970-01-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:31
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/06; F24F1/00; F24F1/02; F24F1/04; F24F6/04; F24F6/043; F24F8/00; F24F8/10; F24F8/117; F24F2221/00; F24F2221/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB231275A
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US1828809A
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US1863811A
Cited
US1922790A
Cited
US2223456A
Cited
US2313676A
Cited
US2373741A
Cited
US2398380A
Cited
US2466851A
Cited
US2531071A
Cited
US2498818A
Cited
US2557276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |