Patent US2570873A successfully refreshed from Google Patents.
US2570873A
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Assignee: E P LAWSON Co Inc
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Filing: 1946-05-31
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Granted: 1951-10-09
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Expires: 1966-05-31
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Seybold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:29
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/01; B26D7/02; B26D7/04; B26D7/025; Y; Y10; Y10T; Y10T83/00; Y10T83/566; Y10T83/5669; Y10T83/5696; Y10T83/869; Y10T83/8719; Y10T83/887; Y10T83/8871
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) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |