US2602934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water saving device for flush tanks
Assignee: EDWARD J FREEMAN
•
Filing: 1950-09-28
•
Granted: 1952-07-15
•
Expires: 1970-09-28
Abstract
No abstract record available.
Inventors
- 👤 Charles M Mccormack
- 👤 Salvatore S Faranda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:37
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/02; E03D1/14; E03D1/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1890281A
Cited
US2001390A
Cited
US1992381A
Cited
US2106916A
Cited
US2532977A
Cited
US2526294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |