US2442959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
End structure for poweder cans
Assignee: F N BURT CO Inc
•
Filing: 1945-07-06
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Granted: 1948-06-08
•
Expires: 1965-07-06
Abstract
No abstract record available.
Inventors
- 👤 Nyden Robert
- 👤 Harry K Dickerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:51
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/26; B65D47/261; B65D47/265; Y; Y10; Y10S; Y10S206/00; Y10S206/823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1027233A
Cited
US1491247A
Cited
US1943568A
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US1950173A
Cited
US2306255A
Cited
US2326839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |