US3085680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter paper package and method of packaging filter paper
Assignee: General Electric Co
•
Filing: 1958-09-23
•
Granted: 1963-04-16
•
Expires: 1978-09-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Evans
- 👤 Noland W Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:28
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/40; B65D81/00; B65D81/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
78 words
A PACKAGE OF FILTER PAPER WHICH HAS A RAPID RATE OF MOISTURE ABSORPTION AND WHICH IS TO BE USED TO FILTER MOISTURE AND DIRT FROM AN ELECTRICAL INSULATING LIQUID, SAID PACKAGE COMPRISING A LIGHTWEIGHT AND DISPOSABLE METALLIZED POLYETHYLENE HERMETICALLY SEALED EMPTY CONTAINER WHICH HAS VACUUM-DRIED AND CLEAN ELECTRICAL INSULATING LIQUID SATURATED FILTER PAPER THEREIN, SAID LIQUID BEING OF THE TYPE USED TO INSULATE AND COOL ELECTRICAL APPARATUS, SAID PAPER BEING IN FLAT SHEET FORM AND HAVING ROUNDED CORNERS.
References Cited (Backward Citations)
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Cited
US1885133A
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US2058846A
Cited
US2125413A
Cited
US2400390A
Cited
US2576864A
Cited
US2600845A
Cited
US2635742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |