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US2452952A
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Assignee: F D PALMER Inc
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Filing: 1944-07-03
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Granted: 1948-11-02
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Expires: 1964-07-03
Abstract
No abstract record available.
Inventors
- 👤 Frank D Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:14
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/12; B65D5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US368819A
Cited
US1325930A
Cited
US1469067A
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US1950173A
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US2097917A
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US2113683A
Cited
US2267746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-02 | 1952-05-03 | 1952-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-02 | 1956-05-03 | 1956-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-02 | 1960-05-03 | 1960-11-02 | $7700.00 | Window Closed / Lapsed |