Patent US4951335A successfully refreshed from Google Patents.
Patent US1298448A successfully refreshed from Google Patents.
US1298448A
Expired / Lapsed
US
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Bearing-head for grinding-machines.
Assignee: MIDDLESEX MACHINE COMPANY Inc
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Filing: 1917-12-17
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Granted: 1919-03-25
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Expires: 1937-12-17
Abstract
No abstract record available.
Inventors
- 👤 Frank Aloisious Brassill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:40
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/07; F16C35/073; F16C21/00; F16C25/00; F16C25/02; F16C17/00; F16C17/02; F16C17/12; F16C17/24; F16C17/246; F16C2322/00; F16C2322/39
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) | 1922-03-24 | 1922-09-23 | 1923-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-03-24 | 1926-09-23 | 1927-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-03-24 | 1930-09-23 | 1931-03-25 | $7700.00 | Window Closed / Lapsed |