US2912995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for injecting fluids into fluid streams
Assignee: Paddock Pool Equipment Co Inc
•
Filing: 1954-12-27
•
Granted: 1959-11-17
•
Expires: 1974-12-27
Abstract
No abstract record available.
Inventors
- 👤 Jack M Ulanovsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:29
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/006; B; B01; B01J; B01J4/00; B01J4/008; C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2534; Y10T137/2536; Y10T137/8158; Y10T137/8326
Claims Analysis
Total Claims: 0
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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) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |