US2504332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printed picture mat sheet
Assignee: Individual
•
Filing: 1948-07-02
•
Granted: 1950-04-18
•
Expires: 1968-07-02
Abstract
No abstract record available.
Inventors
- 👤 Horwitt Nathan George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:14
CPC Classifications
A; A47; A47G; A47G1/00; A47G1/06; A47G1/0644; A47G1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US524301A
Cited
US855121A
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US1261133A
Cited
US1467108A
Cited
US1593301A
Cited
US1805436A
Cited
US1943022A
Cited
US2184007A
Cited
US2385541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |