US922990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blank for the manufacture of middle rings for pipe-couplings, &c.
Assignee: SR Dresser Manufacturing Co
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Filing: 1907-10-15
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Granted: 1909-05-25
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Expires: 1927-10-15
Abstract
No abstract record available.
Inventors
- 👤 George Henry White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:11
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; A; A44; A44C; A44C21/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236; Y10T428/12243; Y10T428/12271; Y10T428/12389
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) | 1912-05-24 | 1912-11-23 | 1913-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-05-24 | 1916-11-23 | 1917-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-05-24 | 1920-11-23 | 1921-05-25 | $7700.00 | Window Closed / Lapsed |