US2822986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rail fastener
Assignee: Individual
•
Filing: 1954-11-09
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Granted: 1958-02-11
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Expires: 1974-11-09
Abstract
No abstract record available.
Inventors
- 👤 Frank J Schreier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:50
CPC Classifications
E; E01; E01B; E01B9/00; E01B9/02; E01B9/04; E01B9/14; F; F16; F16B; F16B13/00; F16B13/12; F16B21/00; F16B21/10; F16B21/16; F16B21/165; F16B2200/00; F16B2200/10; F16B2200/40; F16B2200/403; Y; Y10; Y10T; Y10T403/00; Y10T403/53; Y10T403/535; Y10T70/00; Y10T70/60; Y10T70/625; Y10T70/65
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR999389A
Cited
GB190111468A
Cited
US813006A
Cited
US951230A
Cited
US1244848A
Cited
US1926798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |