US2803451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure regulators
Assignee: Taylor Instrument Co
•
Filing: 1952-12-27
•
Granted: 1957-08-20
•
Expires: 1972-12-27
Abstract
No abstract record available.
Inventors
- 👤 Donald J Aldinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:26
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/163; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1624654A
Cited
US1835459A
Cited
US1966720A
Cited
DE657088C
Cited
US2156496A
Cited
US2274319A
Cited
US2306066A
Cited
US2293315A
Cited
US2298112A
Cited
US2474355A
Cited
US2424511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |