US3011725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination coupling for use with aerator
Assignee: Individual
•
Filing: 1959-09-17
•
Granted: 1961-12-05
•
Expires: 1979-09-17
Abstract
No abstract record available.
Inventors
- 👤 Sidney J Shames
- 👤 Shames Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:11
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/08; E03C1/084; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85946
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US686098A
Cited
US2621976A
Cited
US2707624A
Cited
US2837323A
Cited
US2896863A
Cited
US2954936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |