Patent US3122840A successfully refreshed from Google Patents.
US3122840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision leveling device
Assignee: Individual
•
Filing: 1960-08-08
•
Granted: 1964-03-03
•
Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Karstens Edward Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:47
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
104 words
IMPROVED PEDESTAL ADJUSTMENT MEANS FOR A LEVELING APPARATUS COMPRISING AN ELONGATED LEVELING BAR, A LEVEL OPERATIVELY ASSOCIATED WITH THE LEVELING BAR, A PAIR OF LEGS OPERATIVELY CONNECTED TO THE LEVELING BAR ADJACENT THE ENDS THEREOF FOR SUPPORTING SAID LEVELING BAR ON SURFACES TO BE LEVELED WITH RESPECT TO ONE ANOTHER, AND ADJUSTMENT MEANS FOR SELECTIVELY VERTICALLY ADJUSTING ONE END OF SAID LEVELING BAR RELATIVE TO ITS SUPPORT LEG; SAID IMPROVED PEDESTAL ADJUSTMENT MEANS COMPRISING, IN COMBINATION, A BAR MEMBER SECURED TO AND SUPPORTED UPON ONE OF SAID SUPPORT LEGS, AN UPRIGHT FRAME EXTENDING UPWARDLY FROM SAID BAR MEMBER AND DEFINING A PAIR OF UP-
Claim 2
Dependent Claim
104 words
IMPROVED PEDESTAL ADJUSTMENT MEANS FOR A LEVELING APPARATUS COMPRISING AN ELONGATED LEVELING BAR, A LEVEL OPERATIVELY ASSOCIATED WITH THE LEVELING BAR, A PAIR OF LEGS OPERATIVELY CONNECTED TO THE LEVELING BAR ADJACENT THE ENDS THEREOF FOR SUPPORTING SAID LEVELING BAR ON SURFACES TO BE LEVELED WITH RESPECT TO ONE ANOTHER, AND ADJUSTMENT MEANS FOR SELECTIVELY VERTICALLY ADJUSTING ONE END OF SAID LEVELING BAR RELATIVE TO ITS SUPPORT LEG; SAID IMPROVED PEDESTAL ADJUSTMENT MEANS COMPRISING, IN COMBINATION, A BAR MEMBER SECURED TO AND SUPPORTED UPON ONE OF SAID SUPPORT LEGS, AN UPRIGHT FRAME EXTENDING UPWARDLY FROM SAID BAR MEMBER AND DEFINING A PAIR OF UP-
References Cited (Backward Citations)
US140055A
Cited
US527815A
Cited
US711880A
Cited
US811739A
Cited
US1132318A
Cited
US1278148A
Cited
US1605604A
Cited
GB242826A
Cited
US2178293A
Cited
US2535791A
Cited
US2761217A
Cited
FR1042956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |