US3357024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of recording a gas flow pattern
Assignee: Individual
•
Filing: 1966-01-20
•
Granted: 1967-12-05
•
Expires: 1986-01-20
Abstract
No abstract record available.
Inventors
- 👤 James E Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:23
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0629; F16C32/064; F16C32/0651; G; G01; G01C; G01C25/00; G01C25/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A METHOD OF RECORDING A FLOW PATTERN OF GAS MOVING IN A NARROW SPACE COMPRISING: (A) APPLYING A FILM OF LIQUID TO A SURFACE OVER WHICH GAS IS TO FLOW WHILE MOVING IN SAID NARROW SPACE; (B) MOVING GAS IN SAID SPACE WHEREBY THE MOVEMENT OF SAID GAS FORMS A PATTERN IN SAID LIQUID FILM; (C) MAKING A COLOR PHOTOGRAPH OF SAID SURFACE WITH THE PATTERNED LIQUID FILM THEREON.
Claim 2
Independent Claim
69 words
A METHOD OF RECORDING A FLOW PATTERN OF GAS MOVING IN A NARROW SPACE COMPRISING: (A) APPLYING A FILM OF LIQUID TO A SURFACE OVER WHICH GAS IS TO FLOW WHILE MOVING IN SAID NARROW SPACE; (B) MOVING GAS IN SAID SPACE WHEREBY THE MOVEMENT OF SAID GAS FORMS A PATTERN IN SAID LIQUID FILM; (C) MAKING A COLOR PHOTOGRAPH OF SAID SURFACE WITH THE PATTERNED LIQUID FILM THEREON.
References Cited (Backward Citations)
US1711347A
Cited
US3301046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |