Patent US3124441A successfully refreshed from Google Patents.
US3124441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pocicet-type
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:03
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/02; B01D46/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A POCKET TYPE FLUID COMPRISING: FLEXIBLE FILTERING MATERIAL INCLUDING A PAIR OF PLEAT FORMING SECTIONS JOINED TOGETHER IN END-TO-END FASHION ALONG A COMMON LINE AND HAVING TERMINAL SUPPORTING REMOTE FROM SAID COMMON LINE, SAID PLEAT FORMING SECTIONS BEING FOLDED TO FACE EACH OTHER AND FORM A PLEAT, SPACED SEAMS EXTENDING ACROSS SAID PLEAT TRANSVERSE TO SAID COMMON LINE TO JOIN SAID FACING SECTIONS OF SAID PLEAT AND FORM AT LEAST
Claim 2
Dependent Claim
70 words
A POCKET TYPE FLUID COMPRISING: FLEXIBLE FILTERING MATERIAL INCLUDING A PAIR OF PLEAT FORMING SECTIONS JOINED TOGETHER IN END-TO-END FASHION ALONG A COMMON LINE AND HAVING TERMINAL SUPPORTING REMOTE FROM SAID COMMON LINE, SAID PLEAT FORMING SECTIONS BEING FOLDED TO FACE EACH OTHER AND FORM A PLEAT, SPACED SEAMS EXTENDING ACROSS SAID PLEAT TRANSVERSE TO SAID COMMON LINE TO JOIN SAID FACING SECTIONS OF SAID PLEAT AND FORM AT LEAST
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |