US2778223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flowmeter
Assignee: Puritan Compressed Gas Corp
•
Filing: 1953-11-02
•
Granted: 1957-01-22
•
Expires: 1973-11-02
Abstract
No abstract record available.
Inventors
- 👤 Jack T Kimbrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:30
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/22; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8326
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE332354C
Cited
US1794442A
Cited
FR384167A
Cited
US1498805A
Cited
US1899764A
Cited
US2457297A
Cited
US2655041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |