US2822959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compound injector
Assignee: Individual
•
Filing: 1954-06-10
•
Granted: 1958-02-11
•
Expires: 1974-06-10
Abstract
No abstract record available.
Inventors
- 👤 Robert M Soehnlen
- 👤 Alters Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:53
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/10; F16L13/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1170432A
Cited
US1761875A
Cited
US1770473A
Cited
US2070206A
Cited
US2139143A
Cited
US2373774A
Cited
US2582156A
Cited
US2728493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |