US2718902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Full vented floating valve brackets for bubble trays and the like
Assignee: Individual
•
Filing: 1953-07-14
•
Granted: 1955-09-27
•
Expires: 1973-07-14
Abstract
No abstract record available.
Inventors
- 👤 Nutter Irvin Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:13
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/163; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/7898; Y10T137/7903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1607324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |