US3433261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control device
Assignee: Eskimo Pie Corp
•
Filing: 1967-02-21
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Granted: 1969-03-18
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Expires: 1987-02-21
Abstract
No abstract record available.
Inventors
- 👤 Lester John Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:43
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/02; F16L41/03; F16K; F16K3/00; F16K3/22; F16K3/24; F16K3/243; F16L41/021; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87877
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |