Patent US3353610A successfully refreshed from Google Patents.
US3353610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid film maintaining apparatus
Assignee: Individual
•
Filing: 1966-08-01
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Granted: 1967-11-21
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Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 Steven P Vidal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:11
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
APPARATUS FOR PRESERVING THE DISTRIBUTION OF A LIQUID FILM OVER THE SURFACE OF A BODY OF WATER COMPRISING, BARRIER MEANS ENCLOSING A SURFACE AREA ON SAID BODY OF WATER FOR LIMITING DISPLACEMENT OF SAID LIQUID FILM BY WIND, AND VANE MEANS MOUNTED BY SAID BARRIER MEANS FOR MOVEMENT
Claim 2
Dependent Claim
48 words
APPARATUS FOR PRESERVING THE DISTRIBUTION OF A LIQUID FILM OVER THE SURFACE OF A BODY OF WATER COMPRISING, BARRIER MEANS ENCLOSING A SURFACE AREA ON SAID BODY OF WATER FOR LIMITING DISPLACEMENT OF SAID LIQUID FILM BY WIND, AND VANE MEANS MOUNTED BY SAID BARRIER MEANS FOR MOVEMENT
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |