US1469757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blanking-out eyelets
Assignee: EDWARD L SIBLEY Manufacturing Co IN
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Filing: 1921-09-30
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Granted: 1923-10-02
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Expires: 1941-09-30
Abstract
No abstract record available.
Inventors
- 👤 Edward L Sibley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:06
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/46; B21D53/48; B21D28/00; B21D28/02; B21D28/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49798; Y10T83/00; Y10T83/04; Y10T83/0505; Y10T83/0524; Y10T83/0577
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) | 1926-10-01 | 1927-04-02 | 1927-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-10-01 | 1931-04-02 | 1931-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-10-01 | 1935-04-02 | 1935-10-02 | $7700.00 | Window Closed / Lapsed |