US2889995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaxial tube fluid injection system
Assignee: ALMO ACQUISITION COMPANY Inc A Corp OF NJ
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Filing: 1956-08-17
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Granted: 1959-06-09
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Expires: 1976-08-17
Abstract
No abstract record available.
Inventors
- 👤 George L Borell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:54
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4418; A47L15/4427; B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/313; B01F2101/00; B01F2101/4505; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3112; Y10T137/8593; Y10T137/86348; Y10T137/87571; Y10T137/87676
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US341234A
Cited
US1769428A
Cited
US1887836A
Cited
US1930500A
Cited
US2585092A
Cited
US2628129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |