US3416772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fibrillation
Assignee: Phillips Petroleum Co
•
Filing: 1966-06-03
•
Granted: 1968-12-17
•
Expires: 1986-06-03
Abstract
No abstract record available.
Inventors
- 👤 William C Sheehan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:41
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/42; D01D5/423; Y; Y10; Y10S; Y10S264/00; Y10S264/47; Y10T; Y10T225/00; Y10T225/10; Y10T225/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A FIBRILLATION PROCESS THE IMPROVEMENT COMPRISING SUBJECTING A FIBRILLATABLE FILM TO AT LEAST ONE LOCALIZED STRESS ACTING IN A DIRECTION SUBSTANTALLY PARALLEL TO THE ORIENTATION DIRECTION OF SAID FILMS, SAID AT LEAST ONE STRESS BEING APPLIED TO A FIRST FINITE PORTION OF SAID FILM, THE WIDTH OF SAID FINITE PORTION BEING SUBSTANTIALLY LESS THAN THE FULL WIDTH OF SAID FILM, AND PROGRESSIVELY MOVING SAID AT LEAST ONE STRESS SUBSTANTIALLY LATERALLY ACROSS SAID FILM UNTIL SUBSTANTIALLY THE WHOLE WIDTH OF SAID FILM HAS BEEN SUBJECTED TO SAID AT LEAST ONE STRESS.
Claim 2
Dependent Claim
91 words
IN A FIBRILLATION PROCESS THE IMPROVEMENT COMPRISING SUBJECTING A FIBRILLATABLE FILM TO AT LEAST ONE LOCALIZED STRESS ACTING IN A DIRECTION SUBSTANTALLY PARALLEL TO THE ORIENTATION DIRECTION OF SAID FILMS, SAID AT LEAST ONE STRESS BEING APPLIED TO A FIRST FINITE PORTION OF SAID FILM, THE WIDTH OF SAID FINITE PORTION BEING SUBSTANTIALLY LESS THAN THE FULL WIDTH OF SAID FILM, AND PROGRESSIVELY MOVING SAID AT LEAST ONE STRESS SUBSTANTIALLY LATERALLY ACROSS SAID FILM UNTIL SUBSTANTIALLY THE WHOLE WIDTH OF SAID FILM HAS BEEN SUBJECTED TO SAID AT LEAST ONE STRESS.
References Cited (Backward Citations)
US2985503A
Cited
US3235644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |