Patent US3004715A successfully refreshed from Google Patents.
US3004715A
Expired / Lapsed
US
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Bonded tie plate assembly
Assignee: Poor and Co
•
Filing: 1960-07-22
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Granted: 1961-10-17
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Expires: 1980-07-22
Abstract
No abstract record available.
Inventors
- 👤 William E Gadd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:04
CPC Classifications
E; E01; E01B; E01B9/00; E01B9/68; E01B9/685; E01B9/686; E01B9/02; E01B9/28; E01B9/30; E01B9/306; F; F16; F16B; F16B13/00; F16B13/14; F16B13/141; F16B19/00; F16B19/02; Y; Y10; Y10S; Y10S238/00; Y10S238/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |