US1214436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway-spike.
Assignee: Individual
•
Filing: 1915-11-29
•
Granted: 1917-01-30
•
Expires: 1935-11-29
Abstract
No abstract record available.
Inventors
- 👤 Alexander D Curry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:01
CPC Classifications
E; E01; E01B; E01B9/00; E01B9/02; E01B9/04; E01B9/12; Y; Y10; Y10S; Y10S411/00; Y10S411/923
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) | 1920-01-30 | 1920-07-31 | 1921-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-01-30 | 1924-07-31 | 1925-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-01-30 | 1928-07-31 | 1929-01-30 | $7700.00 | Window Closed / Lapsed |