US3213628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water filled plastic dam structure
Assignee: Individual
•
Filing: 1960-08-11
•
Granted: 1965-10-26
•
Expires: 1980-08-11
Abstract
No abstract record available.
Inventors
- 👤 Herman M Serota
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/10; E02B3/106; E02B3/108; E04; E04H; E04H15/00; E04H15/20; E04H2015/202; E04H2015/205; Y; Y02; Y02A; Y02A10/00; Y02A10/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A COMPACT PORTABLE DAM STRUCTURE FOR DAMMING THE BED OF A WATERCOURSE COMPRISING A PLURALITY OF TOUGH, THIN WALL PLASTIC CONTAINERS FORMED OF POLYETHYLENE TEREPHTHALATE RESIN FILM AND EACH DEFINING A RECTANGULAR SEALED CHAMBER, WATER INLET AND OUTLET VALVE MEANS FOR EACH CHAMBER, THE CONTNAINERS AT EAST PARTIALLY FILLED WITH WATER AND POSITIONED ONE UPON AOTHER VERTICALLY AND SIDE BY SIDE IN COURSES HAVING HORIZONTAL TOP SURFACES TO FORM TO PARALLEL ABUTTING WALLS, A SHEET OF PLASTIC MATERIAL CONFINED BETWEEN THE WALLS PREVENTING FLOW OF WATER THERETHROUGH, AND MEANS CONNECTED TO THE CONTAINERS SECURING THE CONTAINERS IN THE COURSES TOGETHER AND SECURING THE COURSES TO EACH OTHER AND TO THE WATERCOURSE BED.
Claim 2
Dependent Claim
112 words
A COMPACT PORTABLE DAM STRUCTURE FOR DAMMING THE BED OF A WATERCOURSE COMPRISING A PLURALITY OF TOUGH, THIN WALL PLASTIC CONTAINERS FORMED OF POLYETHYLENE TEREPHTHALATE RESIN FILM AND EACH DEFINING A RECTANGULAR SEALED CHAMBER, WATER INLET AND OUTLET VALVE MEANS FOR EACH CHAMBER, THE CONTNAINERS AT EAST PARTIALLY FILLED WITH WATER AND POSITIONED ONE UPON AOTHER VERTICALLY AND SIDE BY SIDE IN COURSES HAVING HORIZONTAL TOP SURFACES TO FORM TO PARALLEL ABUTTING WALLS, A SHEET OF PLASTIC MATERIAL CONFINED BETWEEN THE WALLS PREVENTING FLOW OF WATER THERETHROUGH, AND MEANS CONNECTED TO THE CONTAINERS SECURING THE CONTAINERS IN THE COURSES TOGETHER AND SECURING THE COURSES TO EACH OTHER AND TO THE WATERCOURSE BED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |