US2685722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article attachable to sheet materials
Assignee: Risdon Manufacturing Co
•
Filing: 1951-06-16
•
Granted: 1954-08-10
•
Expires: 1971-06-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Leon A Danco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:53
CPC Classifications
A; A44; A44B; A44B1/00; A44B1/08; A44B1/12; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1426651A
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US1160591A
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US1379202A
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AT92075B
Cited
US1446801A
Cited
US2602975A
Cited
US2560932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |