US3428258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Open pore foam faucet insert
Assignee: Trane US Inc
•
Filing: 1966-03-23
•
Granted: 1969-02-18
•
Expires: 1986-03-23
Abstract
No abstract record available.
Inventors
- 👤 Robert B Duggan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:41
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/08; E03C1/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US883176A
Cited
US924497A
Cited
US1495713A
Cited
US2511420A
Cited
US2680010A
Cited
US2715045A
Cited
US2796297A
Cited
US2995309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |