Patent US2074475A successfully refreshed from Google Patents.
US2074475A
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Assignee: PITTSBURGH STEEL DRUM Co
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Filing: 1933-05-12
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Granted: 1937-03-23
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Expires: 1953-05-12
Abstract
No abstract record available.
Inventors
- 👤 Albert E Jesser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:22
CPC Classifications
B; B65; B65D; B65D45/00; B65D45/02; B65D45/16; B65D45/18; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44778; Y10T292/00; Y10T292/20; Y10T292/228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-03-22 | 1940-09-21 | 1941-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-22 | 1944-09-21 | 1945-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-22 | 1948-09-21 | 1949-03-23 | $7700.00 | Window Closed / Lapsed |