Patent CH329154A successfully refreshed from Google Patents.
Patent US2855567A successfully refreshed from Google Patents.
US2855567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instrument adjuster element
Assignee: Daystrom Inc
•
Filing: 1954-04-16
•
Granted: 1958-10-07
•
Expires: 1974-04-16
Abstract
No abstract record available.
Inventors
- 👤 Anthony H Lamb
- 👤 Arthur D Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:35
CPC Classifications
G; G01; G01R; G01R11/00; G01R11/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US204913A
Cited
US2095931A
Cited
US2440392A
Cited
US2493060A
Cited
US2585438A
Cited
US2698557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |