US771752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube-cutting machine.
Assignee: STAFFORD RING Co
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Filing: 1903-06-08
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Granted: 1904-10-04
•
Expires: 1923-06-08
Abstract
No abstract record available.
Inventors
- 👤 Frank R Stafford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:05
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/16; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2122; Y10T83/2124; Y10T83/2131; Y10T83/2135; Y10T83/215; Y10T83/2168; Y10T83/22; Y10T83/2205; Y10T83/384; Y10T83/395; Y10T83/396; Y10T83/403; Y10T83/404; Y10T83/412; Y10T83/748; Y10T83/7593; Y10T83/7647
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) | 1907-10-04 | 1908-04-04 | 1908-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-10-04 | 1912-04-04 | 1912-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-10-04 | 1916-04-04 | 1916-10-04 | $7700.00 | Window Closed / Lapsed |