US2080073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overflow preventing apparatus
Assignee: Individual
•
Filing: 1935-12-20
•
Granted: 1937-05-11
•
Expires: 1955-12-20
Abstract
No abstract record available.
Inventors
- 👤 Walter H Finley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:17
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/02; E03D5/026; E03D11/00; E03D11/13; Y; Y02; Y02A; Y02A10/00; Y02A10/30; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2842; Y10T137/2849; Y10T137/4456; Y10T137/4643; Y10T137/4658; Y10T137/7287; Y10T137/7358; Y10T137/7423
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) | 1940-05-10 | 1940-11-09 | 1941-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-05-10 | 1944-11-09 | 1945-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-05-10 | 1948-11-09 | 1949-05-11 | $7700.00 | Window Closed / Lapsed |