US2906288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure regulating equipment
Assignee: Specialties Development Corp
•
Filing: 1956-07-05
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Granted: 1959-09-29
•
Expires: 1976-07-05
Abstract
No abstract record available.
Inventors
- 👤 Young David Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:44
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0655; A; A61; A61M; A61M16/00; A61M16/10; A62; A62B; A62B9/00; A62B9/02; A62B9/022; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7793; Y10T137/7822; Y10T137/7823; Y10T137/7826; Y10T137/794; Y10T137/8122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1830536A
Cited
US2161544A
Cited
US2620817A
Cited
US2615287A
Cited
US2757898A
Cited
US2768806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |