US1429033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway-rail fastening
Assignee: WILLIAM M PARKER
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Filing: 1922-01-07
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Granted: 1922-09-12
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Expires: 1942-01-07
Abstract
No abstract record available.
Inventors
- 👤 Oran P Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:23
CPC Classifications
E; E01; E01B; E01B9/00; E01B9/02; E01B9/28; F; F16; F16B; F16B13/00; F16B13/12; F16B13/126
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) | 1925-09-11 | 1926-03-13 | 1926-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-09-11 | 1930-03-13 | 1930-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-09-11 | 1934-03-13 | 1934-09-12 | $7700.00 | Window Closed / Lapsed |