Patent US6270527B1 successfully refreshed from Google Patents.
US1150249A
Expired / Lapsed
US
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Method of making a male member of a union-coupling.
Assignee: Rockwood Sprinkler Co
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Filing: 1913-02-19
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Granted: 1915-08-17
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Expires: 1933-02-19
Abstract
No abstract record available.
Inventors
- 👤 Hjalmar G Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:30
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/04; F; F16; F16L; F16L1/00; F16L1/26; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428
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) | 1918-08-16 | 1919-02-15 | 1919-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-08-16 | 1923-02-15 | 1923-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-08-16 | 1927-02-15 | 1927-08-17 | $7700.00 | Window Closed / Lapsed |