Patent US5313617A successfully refreshed from Google Patents.
US3341986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Levelling device
Assignee: BROSIG HILBURGER
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Filing: 1965-03-15
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Granted: 1967-09-19
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Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Heinz W Brosig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:31
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/06; B62D53/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
LEVELLING APPARATUS COMPRISING: A MAIN BODY HAVING AN OPENING IN THE SIDEWALL THEREOF, UPPER AND LOWER ANCHOR MEANS IN SAID MAIN BODY PROXIMATE TO SAID SIDEWALL, UPPER AND LOWER ANCHOR MEANS IN SAID MAIN BODY SPACED INWARDLY FROM SAID SIDEWALL, A SIDE BODY TELESCOPICALLY MOVABLE RELATIVE TO SAID MAIN BODY IN SAID OPENING BETWEEN A CONTRACTED POSITION AND AN EXPANDED POSITION, MEANS FOR SUPPORTING SAID SIDE BODY ON SAID MAIN BODY, A FIRST NON-EXTENSIBLE ELONGATED FLEXIBLE ELEMENT EXTENDING FROM SAID UPPER ANCHOR MEANS PROXIMATE TO SAID SIDE WALL TO SAID LOWER ANCHOR MEANS SPACED INWARDLY THEREFROM, AND A SECOND NON-EXTENSIBLE ELONGATED FLEXIBLE ELEMENT EXTENDING FROM SAID LOWER ANCHOR MEANS PROXIMATE TO SAID SIDEWALL TO SAID UPPER ANCHOR MEANS SPACED INWARDLY THEREFROM, ROTATABLE GUIDE MEANS ON SAID SIDE BODY ENGAGEABLE RESPECTIVELY WITH SAID FIRST AND SECOND ELEMENTS TO MAINTAIN A CONSTANT ANGULAR RELATIONSHIP BETWEEN SAID SIDE BODY AND SAID MAIN BODY.
Claim 2
Dependent Claim
150 words
LEVELLING APPARATUS COMPRISING: A MAIN BODY HAVING AN OPENING IN THE SIDEWALL THEREOF, UPPER AND LOWER ANCHOR MEANS IN SAID MAIN BODY PROXIMATE TO SAID SIDEWALL, UPPER AND LOWER ANCHOR MEANS IN SAID MAIN BODY SPACED INWARDLY FROM SAID SIDEWALL, A SIDE BODY TELESCOPICALLY MOVABLE RELATIVE TO SAID MAIN BODY IN SAID OPENING BETWEEN A CONTRACTED POSITION AND AN EXPANDED POSITION, MEANS FOR SUPPORTING SAID SIDE BODY ON SAID MAIN BODY, A FIRST NON-EXTENSIBLE ELONGATED FLEXIBLE ELEMENT EXTENDING FROM SAID UPPER ANCHOR MEANS PROXIMATE TO SAID SIDE WALL TO SAID LOWER ANCHOR MEANS SPACED INWARDLY THEREFROM, AND A SECOND NON-EXTENSIBLE ELONGATED FLEXIBLE ELEMENT EXTENDING FROM SAID LOWER ANCHOR MEANS PROXIMATE TO SAID SIDEWALL TO SAID UPPER ANCHOR MEANS SPACED INWARDLY THEREFROM, ROTATABLE GUIDE MEANS ON SAID SIDE BODY ENGAGEABLE RESPECTIVELY WITH SAID FIRST AND SECOND ELEMENTS TO MAINTAIN A CONSTANT ANGULAR RELATIONSHIP BETWEEN SAID SIDE BODY AND SAID MAIN BODY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |