Patent US1144406A successfully refreshed from Google Patents.
US1144406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gathering-head for dredges.
Assignee: NATIONAL PEAT REFINING Co
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Filing: 1913-12-04
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Granted: 1915-06-29
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Expires: 1933-12-04
Abstract
No abstract record available.
Inventors
- 👤 Ellis Bartholomew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:27
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/92; E02B; E02B3/00; E02B3/02
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) | 1918-06-28 | 1918-12-28 | 1919-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-06-28 | 1922-12-28 | 1923-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-06-28 | 1926-12-28 | 1927-06-29 | $7700.00 | Window Closed / Lapsed |