Patent US930071A successfully refreshed from Google Patents.
US930071A
Expired / Lapsed
US
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Flexible pipe-joint.
Assignee: GREENLAW MANUFACTURING Co
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Filing: 1908-04-24
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Granted: 1909-08-03
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Expires: 1928-04-24
Abstract
No abstract record available.
Inventors
- 👤 Warren A Greenlaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:16
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/02; F16L27/04; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32639
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) | 1912-08-02 | 1913-02-01 | 1913-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-08-02 | 1917-02-01 | 1917-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-08-02 | 1921-02-01 | 1921-08-03 | $7700.00 | Window Closed / Lapsed |