US2729367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure dispensing valve assembly
Assignee: MARYLAND DEVICES Inc
•
Filing: 1950-05-13
•
Granted: 1956-01-03
•
Expires: 1970-05-13
Abstract
No abstract record available.
Inventors
- 👤 Abe O Samuels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:34
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2023397A
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US2301271A
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US2324648A
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US2322183A
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US2305286A
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US2317755A
Cited
US2506449A
Cited
US2579977A
Cited
US2574036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |