US996840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for making bolts, screws, &c.
Assignee: ANTON B SPURNEY
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Filing: 1910-06-28
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Granted: 1911-07-04
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Expires: 1930-06-28
Abstract
No abstract record available.
Inventors
- 👤 Fred F Deeds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:17
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/56; B21K1/44; B21K1/46
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) | 1914-07-03 | 1915-01-02 | 1915-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-07-03 | 1919-01-02 | 1919-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-07-03 | 1923-01-02 | 1923-07-04 | $7700.00 | Window Closed / Lapsed |