US1206252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making nut-blanks.
Assignee: Russell Burdsall and Ward Bolt and Nut Co
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Filing: 1915-04-21
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Granted: 1916-11-28
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Expires: 1935-04-21
Abstract
No abstract record available.
Inventors
- 👤 William D Rigney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:39
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/28; B21D43/285; B23; B23D; B23D21/00; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4501; Y10T83/4503; Y10T83/4508; Y10T83/4564; Y10T83/4567; Y10T83/4577; Y10T83/463; Y10T83/4632; Y10T83/647; Y10T83/6572
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) | 1919-11-28 | 1920-05-29 | 1920-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-11-28 | 1924-05-29 | 1924-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-11-28 | 1928-05-29 | 1928-11-28 | $7700.00 | Window Closed / Lapsed |