US2775240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas valve
Assignee: Abbott Laboratories
•
Filing: 1953-02-09
•
Granted: 1956-12-25
•
Expires: 1973-02-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward J Morrisey
- 👤 Howard A Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:39
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/162; F; F16; F16K; F16K24/00; F16K24/06; A61M2005/1623
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |