US3190010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spirit level
Assignee: Individual
•
Filing: 1961-10-09
•
Granted: 1965-06-22
•
Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:50
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/18; G01C9/24; G01C9/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
FOR USE IN A LEVEL HAVING A TUBULAR SPIRIT VIAL: A PAIR OF SPACED CASE PORTIONS HAVING OPPOSED WINDOWS, AND A PAIR OF SLIGHTLY FLEXIBLE VIAL CLAMPS DISPOSED WITHIN AT LEAST ONE OF SAID CASE PORTIONS, EACH CLAMP HAVING A PAIR OF OPPOSED SPACED LEGS DISPOSED AND ADAPTED TO CIRCUMFERENTIALLY WRAP AROUND A VIAL IN TIGHT SURFACE CONTACT THEREWITH, EACH LEG TERMINATING SO THAT THE ENDS OF EACH LEG PAIR AND A VIAL CONTAINED THEREBETWEEN ARE DISPOSED INWARDLY FROM THE ADJACENT WINDOW, AND SAID LEGS ARE SPACED APART A DISTANCE SLIGHTLY LESS THAN A VIAL DIAMETER SO THAT THE VIAL MAY BE SNAPPED INTO THE CLAMPS.
References Cited (Backward Citations)
US1497909A
Cited
US1928653A
Cited
US2453091A
Cited
US2744649A
Cited
US2720709A
Cited
US2872843A
Cited
US2810206A
Cited
US2792638A
Cited
US2948066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |