Patent US2637979A successfully refreshed from Google Patents.
US2637979A
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Dispensing tank and valve structure
Assignee: International Motors LLC
•
Filing: 1949-12-30
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Granted: 1953-05-12
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Expires: 1969-12-30
Abstract
No abstract record available.
Inventors
- 👤 Stuart D Pool
- 👤 William F Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:13
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/02; A01C23/023; Y; Y10; Y10S; Y10S111/00; Y10S111/925; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7784; Y10T137/7787; Y10T137/7788; Y10T137/7793; Y10T137/7822; Y10T137/7823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2049239A
Cited
US2285932A
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US2497793A
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US2365423A
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US2415251A
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US2489028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |