Patent US1467449A successfully refreshed from Google Patents.
US1467449A
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Machine element
Assignee: Chicago Machine & Motor Co
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Filing: 1920-10-18
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Granted: 1923-09-11
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Expires: 1940-10-18
Abstract
No abstract record available.
Inventors
- 👤 Carl F Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:09
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/07; F16C35/073; F16C19/00; F16C19/54; F16C19/546; F16C19/547; F16C19/548; F16C33/00; F16C33/30; F16C33/58; F16C33/583; F16C33/585; F16C43/00; F16C43/04; F16C43/06; F16C43/08; F16C19/02; F16C19/14; F16C19/16; F16C19/163; F16C2361/00; F16C2361/63
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-09-10 | 1927-03-12 | 1927-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-09-10 | 1931-03-12 | 1931-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-09-10 | 1935-03-12 | 1935-09-11 | $7700.00 | Window Closed / Lapsed |