US2798272A
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Assignee: Foster Metal Products Inc
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Filing: 1954-01-20
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Granted: 1957-07-09
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Expires: 1974-01-20
Abstract
No abstract record available.
Inventors
- 👤 William C Boots
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:34
CPC Classifications
A; A44; A44B; A44B5/00; A44B5/002; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3617
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) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |