Patent US2842906A successfully refreshed from Google Patents.
US2842906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work holder for lapping machine
Assignee: Individual
•
Filing: 1955-10-26
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Granted: 1958-07-15
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Expires: 1975-10-26
Abstract
No abstract record available.
Inventors
- 👤 Lyle E Carter
- 👤 Robert D Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:37
CPC Classifications
B; B24; B24B; B24B37/00; B24B37/04; B24B37/07; B24B37/10; B24B37/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2209071A
Cited
US2352105A
Cited
US2580542A
Cited
US2634558A
Cited
GB661214A
Cited
US2653422A
Cited
US2722089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |