Patent US1015435A successfully refreshed from Google Patents.
US1015435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Train-pipe connection.
Assignee: GREENLAW Manufacturing CO
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Filing: 1911-01-25
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Granted: 1912-01-23
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Expires: 1931-01-25
Abstract
No abstract record available.
Inventors
- 👤 Warren A Greenlaw
- 👤 Robert A Jewett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:00
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/02; F16L27/04; F16L27/06
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) | 1915-01-22 | 1915-07-24 | 1916-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-01-22 | 1919-07-24 | 1920-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-01-22 | 1923-07-24 | 1924-01-23 | $7700.00 | Window Closed / Lapsed |