US2466573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gravity flow interval timer
Assignee: Individual
•
Filing: 1946-05-28
•
Granted: 1949-04-05
•
Expires: 1966-05-28
Abstract
No abstract record available.
Inventors
- 👤 Brockley Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:58
CPC Classifications
G; G04; G04F; G04F1/00; G04F1/04; G04F1/06; G04F7/00
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) | 1952-04-04 | 1952-10-04 | 1953-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-04 | 1956-10-04 | 1957-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-04 | 1960-10-04 | 1961-04-05 | $7700.00 | Window Closed / Lapsed |