US3106024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leveling devices
Assignee: Individual
•
Filing: 1960-11-18
•
Granted: 1963-10-08
•
Expires: 1980-11-18
Abstract
No abstract record available.
Inventors
- 👤 Lawrence N Lea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:25
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/18; G01C9/24; G01C9/26; Y; Y10; Y10S; Y10S33/00; Y10S33/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A LEVELING DEVICE OF THE CHARACTER DESCRIBED, A PERMANENT MAGNET STRUCTURE COMPRISING TWO OPPOSITE PLATES SPACED APART A PREDETERMINED DISTANCE AND A CONNECTING ELEMENT THEREBETWEEN; EACH PLATE HAVING A BOTTOM EDGE AND A SIDE EDGE PERPENDICULAR TO SAID BOTTOM EDGE; THE BOTTOM EDGE OF SAID PLATES BEING PARALLEL AND SAID SIDE EDGES BEING OPPOITE EACH OTHER AND PARALLEL AND AN ELONGATED SPIRIT LEVEL CARTRIDGE FIXED ON SAID DEVICE LENGTHWISE IN A DIRECTION PARALLEL TO SAID BOTTOM EDGES WHEREBY WHEN THE DEVICE IS SET WITH ITS BOTTOM EDGES ON A HORIZONTAL SURFACE, THE BUBBLE OF THE SPIRIT LEVEL CARTRIDGE WILL BE CENTERED; SAID CONNECTING ELEMENT BEING SPACED FROM THE BOTTOM AND SAID SIDE EDGES OF THE PLATES.
Claim 2
Dependent Claim
117 words
IN A LEVELING DEVICE OF THE CHARACTER DESCRIBED, A PERMANENT MAGNET STRUCTURE COMPRISING TWO OPPOSITE PLATES SPACED APART A PREDETERMINED DISTANCE AND A CONNECTING ELEMENT THEREBETWEEN; EACH PLATE HAVING A BOTTOM EDGE AND A SIDE EDGE PERPENDICULAR TO SAID BOTTOM EDGE; THE BOTTOM EDGE OF SAID PLATES BEING PARALLEL AND SAID SIDE EDGES BEING OPPOITE EACH OTHER AND PARALLEL AND AN ELONGATED SPIRIT LEVEL CARTRIDGE FIXED ON SAID DEVICE LENGTHWISE IN A DIRECTION PARALLEL TO SAID BOTTOM EDGES WHEREBY WHEN THE DEVICE IS SET WITH ITS BOTTOM EDGES ON A HORIZONTAL SURFACE, THE BUBBLE OF THE SPIRIT LEVEL CARTRIDGE WILL BE CENTERED; SAID CONNECTING ELEMENT BEING SPACED FROM THE BOTTOM AND SAID SIDE EDGES OF THE PLATES.
References Cited (Backward Citations)
US706095A
Cited
US948523A
Cited
US2386833A
Cited
US2535791A
Cited
US2789363A
Cited
US2770888A
Cited
US2939947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |