US3298183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for erecting a fluid barrier
Assignee: Consolidated Thermoplastic Co
•
Filing: 1964-05-11
•
Granted: 1967-01-17
•
Expires: 1984-05-11
Abstract
No abstract record available.
Inventors
- 👤 Tobias H Grether
- 👤 Robert M Ziegenmeyer
- 👤 Bermann James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:24
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F5/027; E02B; E02B7/00; E02B7/005; E02F5/10; E02F5/101; E02F5/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
APPARATUS FOR ERECTING BARRIERS COMPRISING: (A) A WHEELED VEHICLE MOVABLE ALONG THE EARTH IN THE PATH OF THE DESIRED BARRIER; (B) A PLOW MECHANISM MOUNTED ON THE VEHICLE AND ENGAGEABLE WITH THE EARTH SURFACE TO DIG A CONTINUOUS TRENCH THEREIN ALONG SAID PATH; (C) A FEED MECHANISM MOUNTED ON THE VEHICLE TO SUPPLY A VERTICALLY DISPOSED CONTINUOUS, FLAT, FLEXIBLE SHEET BEHIND THE PLOW MECHANISM SAID SHEET HAVING AN UPPER EXTREMITY AND A LOWER EXTREMITY; (D) A FOLDING MECHANISM MOUNTED ON THE VEHICLE BEHIND THE FEED MECHANISM TO FOLD THE SHEET IN AN LSHAPE WITH ONE LEG OF THE L DISPOSED VERTICALLY AND THE OTHER LEG OF THE L DISPOSED HORIZONTALLY; (E) A GUIDE MECHANISM MOUNTED ON THE VEHICLE TO DEPOSIT THE HORIZONTAL LEG INTO SAID TRENCH; AND, (F) A DRIVING MECHANISM MOUNTED ON THE VEHICLE BEHIND THE FEED MECHANISM TO DRIVE STAKES VERTICALLY INTO THE EARTH ADJACENT THE VERTICAL LEG OF THE LSHAPED SHEET.
Claim 2
Dependent Claim
154 words
APPARATUS FOR ERECTING BARRIERS COMPRISING: (A) A WHEELED VEHICLE MOVABLE ALONG THE EARTH IN THE PATH OF THE DESIRED BARRIER; (B) A PLOW MECHANISM MOUNTED ON THE VEHICLE AND ENGAGEABLE WITH THE EARTH SURFACE TO DIG A CONTINUOUS TRENCH THEREIN ALONG SAID PATH; (C) A FEED MECHANISM MOUNTED ON THE VEHICLE TO SUPPLY A VERTICALLY DISPOSED CONTINUOUS, FLAT, FLEXIBLE SHEET BEHIND THE PLOW MECHANISM SAID SHEET HAVING AN UPPER EXTREMITY AND A LOWER EXTREMITY; (D) A FOLDING MECHANISM MOUNTED ON THE VEHICLE BEHIND THE FEED MECHANISM TO FOLD THE SHEET IN AN LSHAPE WITH ONE LEG OF THE L DISPOSED VERTICALLY AND THE OTHER LEG OF THE L DISPOSED HORIZONTALLY; (E) A GUIDE MECHANISM MOUNTED ON THE VEHICLE TO DEPOSIT THE HORIZONTAL LEG INTO SAID TRENCH; AND, (F) A DRIVING MECHANISM MOUNTED ON THE VEHICLE BEHIND THE FEED MECHANISM TO DRIVE STAKES VERTICALLY INTO THE EARTH ADJACENT THE VERTICAL LEG OF THE LSHAPED SHEET.
References Cited (Backward Citations)
NL93022C
Cited
US1750054A
Cited
US2333287A
Cited
US2341515A
Cited
US2314045A
Cited
US2654225A
Cited
US2663515A
Cited
US2909134A
Cited
US3134233A
Cited
US3218810A
Cited
US3182459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |