US2539073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring and dispensing device
Assignee: MILDRED A GRANNAN
•
Filing: 1946-09-12
•
Granted: 1951-01-23
•
Expires: 1966-09-12
Abstract
No abstract record available.
Inventors
- 👤 Grannan William Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:28
CPC Classifications
F; F16; F16N; F16N27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2029198A
Cited
US1897609A
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US1942097A
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US2005166A
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US2141022A
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US2205320A
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US2351930A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-22 | 1954-07-24 | 1955-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-22 | 1958-07-24 | 1959-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-22 | 1962-07-24 | 1963-01-23 | $7700.00 | Window Closed / Lapsed |