US2404996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable supply tau
Assignee: H A Thrush & Co
•
Filing: 1944-07-24
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Granted: 1946-07-30
•
Expires: 1964-07-24
Abstract
No abstract record available.
Inventors
- 👤 Marquis O Thrush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:23
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/06; F16K27/065; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8275; Y10T137/8292; Y10T137/8309; Y10T137/8593; Y10T137/877; Y10T137/87788; Y10T137/87812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-07-29 | 1950-01-28 | 1950-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-29 | 1954-01-28 | 1954-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-29 | 1958-01-28 | 1958-07-30 | $7700.00 | Window Closed / Lapsed |