US2600842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature controlled fluid supply apparatus
Assignee: National Rubber Machinery Co
•
Filing: 1948-09-22
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Granted: 1952-06-17
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Expires: 1968-09-22
Abstract
No abstract record available.
Inventors
- 👤 Hans E Buecken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:07
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/007; B29C48/00; B29C48/25; B29C48/275; B29C48/276; B29C48/78; B29C48/80; B29C48/802; B29C48/82; B29C48/92; B29C2948/00; B29C2948/92; B29C2948/92504; B29C2948/92704; B29C2948/92819; B29C2948/92857; B29C2948/92876; B29C2948/92895; B29C2948/92952; Y; Y02; Y02P; Y02P70/00; Y02P70/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1717814A
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US2121625A
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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) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |