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US2855810A
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Assignee: Individual
•
Filing: 1953-05-04
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Granted: 1958-10-14
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Expires: 1973-05-04
Abstract
No abstract record available.
Inventors
- 👤 Brunner Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:32
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/38; B21D53/42; B23; B23C; B23C3/00; B23C3/28; B23C3/35; B23C2235/00; B23C2235/28; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7842; Y10T70/7859; Y10T70/7864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US225227A
Cited
US861456A
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US1406574A
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US1738032A
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US1877758A
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US1887504A
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US2387983A
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US2693638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |