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US2669381A
Expired / Lapsed
US
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Receptacle for filing papers
Assignee: Individual
•
Filing: 1949-07-26
•
Granted: 1954-02-16
•
Expires: 1969-07-26
Abstract
No abstract record available.
Inventors
- 👤 Podgursky John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:52
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/02; B42F13/06; B42F13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US900751A
Cited
US1056313A
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US1081981A
Cited
US1174605A
Cited
US1277459A
Cited
CH81618A
Cited
US1472755A
Cited
FR557848A
Cited
US2390864A
Cited
US2499436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |