US2858677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water cooling apparatus
Assignee: Marley Co LLC
•
Filing: 1955-04-11
•
Granted: 1958-11-04
•
Expires: 1975-04-11
Abstract
No abstract record available.
Inventors
- 👤 Richard J Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:14
CPC Classifications
F; F28; F28D; F28D7/00; F28D7/10; F28D7/106; F28D7/08; F28D7/082; F28D7/085; F28D7/087; F28F; F28F9/00; F28F9/007; F28F9/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1794692A
Cited
US1966802A
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US2153335A
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US2332336A
Cited
US2292692A
Cited
US2603196A
Cited
US2658357A
Cited
US2672033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |