US3359128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dusting of surfaces
Assignee: Dow Chemical Co
•
Filing: 1963-06-10
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Granted: 1967-12-19
•
Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Loren K Humphrey
- 👤 Robert A Dunning
- 👤 Curtis A Layman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:18
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/02; B05D1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD OF DUSING THE SURFACE OF A WEB COMPRISING DIRECTING A GASEOUS DISPERSION OF THE DUST IN THE FORM OF A GENERALLY PLANIFORM BLAST ON TO THE SURFACE OF A WEB AS IT IS BEING WOUND ONTO A ROLL THE PLANIFORM BLAST BEING DIRECTED TOWARD THE POINT OF CONTACT OF THE WEB SURFACE WITH THE ROLL AND MAINTAINING THE SUPPLY OF SAID DUST AT ABOUT A CONSTANT RATE FOR THE ENTIRE WINDING OPERATION.
Claim 2
Independent Claim
74 words
A METHOD OF DUSING THE SURFACE OF A WEB COMPRISING DIRECTING A GASEOUS DISPERSION OF THE DUST IN THE FORM OF A GENERALLY PLANIFORM BLAST ON TO THE SURFACE OF A WEB AS IT IS BEING WOUND ONTO A ROLL THE PLANIFORM BLAST BEING DIRECTED TOWARD THE POINT OF CONTACT OF THE WEB SURFACE WITH THE ROLL AND MAINTAINING THE SUPPLY OF SAID DUST AT ABOUT A CONSTANT RATE FOR THE ENTIRE WINDING OPERATION.
References Cited (Backward Citations)
US2163642A
Cited
US1008993A
Cited
US1745644A
Cited
US2057548A
Cited
US2986473A
Cited
US3163553A
Cited
US3085548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |