US3459221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manifold valve assembly
Assignee: TFH Publications Inc
•
Filing: 1966-07-22
•
Granted: 1969-08-05
•
Expires: 1986-07-22
Abstract
No abstract record available.
Inventors
- 👤 Herbert R Axelrod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:06
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; A01K63/042; F; F16; F16K; F16K11/00; F16K11/10; F16K11/20; F16K11/22; B; B67; B67D; B67D2210/00; B67D2210/00028; B67D2210/00047; B67D2210/0006; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87877; Y10T137/87901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA721998A
Cited
US1365025A
Cited
US2598961A
Cited
US2791236A
Cited
US3039489A
Cited
GB953564A
Cited
US3092141A
Cited
US3298396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |