US2493559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folded strip
Assignee: DURO PERSIAN Manufacturing CO Inc
•
Filing: 1945-10-30
•
Granted: 1950-01-03
•
Expires: 1965-10-30
Abstract
No abstract record available.
Inventors
- 👤 Unger Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:19
CPC Classifications
D; D07; D07B; D07B5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US523060A
Cited
US604350A
Cited
US1762918A
Cited
GB373986A
Cited
US1995696A
Cited
US2128302A
Cited
US2336100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |