US2731228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting means for regulators
Assignee: Weatherhead Co
•
Filing: 1951-10-09
•
Granted: 1956-01-17
•
Expires: 1971-10-09
Abstract
No abstract record available.
Inventors
- 👤 Jr John D Baldwin
- 👤 Clair Theodore A St
- 👤 Jr Albert J Weatherhead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:57
CPC Classifications
F; F16; F16M; F16M13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |