US2690878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for reclaiming spike holes for rail fastenings
Assignee: Individual
•
Filing: 1950-05-27
•
Granted: 1954-10-05
•
Expires: 1970-05-27
Abstract
No abstract record available.
Inventors
- 👤 Snyder Jacob Rush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:35
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/02; E; E01; E01B; E01B9/00; E01B9/02; E01B9/04; E01B9/14; E01B9/16; F16B13/14; F16B13/141; F16B13/142; Y; Y10; Y10S; Y10S411/00; Y10S411/922; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49732; Y10T29/49746
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US569235A
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US703780A
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US1354858A
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GB500109A
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US2389464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |