US3348964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immersion coating of strip material
Assignee: 3M Co
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Filing: 1964-05-01
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Granted: 1967-10-24
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Expires: 1984-05-01
Abstract
No abstract record available.
Inventors
- 👤 Paul J Good
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:54
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/32; D21H23/40; B; B05; B05C; B05C3/00; B05C3/18; B05C5/00; B05C5/007; B05C9/00; B05C9/06; B05D; B05D1/00; B05D1/18; B05D1/26; D21H5/00; D21H5/0005; D21H5/0012; D21H5/0015; G; G03; G03C; G03C1/00; G03C1/74; B05D2252/00; B05D2252/02; Y; Y10; Y10S; Y10S430/00; Y10S430/136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THE METHOD OF APPLYING A LIQUID COATING OF UNIFORM AND CONTROLLABLE THICKNESS TO A MOVING WEB OF SHEET MATERIAL, WHICH COMPRISES THE STEPS OF PROVIDING A BATH OF THE COATING LIQUID, MOVING A WEB THROUGH A PATH IN WHICH ONE FACE OF THE WEB ENTERS THE BATH AND THEN EXITS FROM THE BATH IN AN UPWARD DIRECTION, FORMING A MENISCUS OF THE COATING LIQUID AGAINST SAID FACE OF THE WEB AT THE POINT WHERE SAID FACE OF THE MOVING WEB EXITS FROM THE BATH, AND SUBJECTING THE MENISCUS TO DOWNWARD FORCE OF VARIABLE AMOUNT VARYING IN ACCORDANCE WITH THE LIQUID LEVEL OF ONE PORTION OF THE BATH, SO ARRANGED THAT WHEN SAID
Claim 2
Independent Claim
112 words
THE METHOD OF APPLYING A LIQUID COATING OF UNIFORM AND CONTROLLABLE THICKNESS TO A MOVING WEB OF SHEET MATERIAL, WHICH COMPRISES THE STEPS OF PROVIDING A BATH OF THE COATING LIQUID, MOVING A WEB THROUGH A PATH IN WHICH ONE FACE OF THE WEB ENTERS THE BATH AND THEN EXITS FROM THE BATH IN AN UPWARD DIRECTION, FORMING A MENISCUS OF THE COATING LIQUID AGAINST SAID FACE OF THE WEB AT THE POINT WHERE SAID FACE OF THE MOVING WEB EXITS FROM THE BATH, AND SUBJECTING THE MENISCUS TO DOWNWARD FORCE OF VARIABLE AMOUNT VARYING IN ACCORDANCE WITH THE LIQUID LEVEL OF ONE PORTION OF THE BATH, SO ARRANGED THAT WHEN SAID
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |