US2708303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Felting manufacture
Assignee: ANNE C POST
•
Filing: 1953-03-09
•
Granted: 1955-05-17
•
Expires: 1973-03-09
Abstract
No abstract record available.
Inventors
- 👤 Richard R Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:18
CPC Classifications
D; D04; D04H; D04H17/00; D04H17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
THE METHOD OF FULLING A TEXTILE SHEET MATERIAL WHICH INCLUDES THE STEPS OF INTRODUCING THE MATERIAL INTO THE NIP OF A PAIR OF ROLLS, ROTATING THE ROLLS TO FEED THE MATERIAL THROUGH THE NIP, VIBRATING THE BATT BY SUBJECTING AT LEAST ONE OF THE ROLLS TO OSCILLATIONS AT A HIGH FREQUENCY OF THE ORDER OF SEVERAL THOUSANDS OF COMPLETE OSCILLATIONS PER MINUTE, APPLYING HOT WATER TO THE MATERIAL AT A PLACE WHERE THE MATERIAL IS VIBRATING SO THAT THE VIBRATIONS ARE EFFECTIVE TO INSURE WETTING THE MATERIAL TO THE POINT OF SATURATION, AND PRESSING THE ROLLS AGAINST THE MATERIAL AT THE NIP WITH A PRESSURE ADEQUATE TO EFFECT FEED AND VIBRATION BUT INADEQUATE SUBSTANTIALLY TO INHIBIT THE FIBERS FROM MIGRATORY MOVEMENT.
Claim 2
Independent Claim
121 words
THE METHOD OF FULLING A TEXTILE SHEET MATERIAL WHICH INCLUDES THE STEPS OF INTRODUCING THE MATERIAL INTO THE NIP OF A PAIR OF ROLLS, ROTATING THE ROLLS TO FEED THE MATERIAL THROUGH THE NIP, VIBRATING THE BATT BY SUBJECTING AT LEAST ONE OF THE ROLLS TO OSCILLATIONS AT A HIGH FREQUENCY OF THE ORDER OF SEVERAL THOUSANDS OF COMPLETE OSCILLATIONS PER MINUTE, APPLYING HOT WATER TO THE MATERIAL AT A PLACE WHERE THE MATERIAL IS VIBRATING SO THAT THE VIBRATIONS ARE EFFECTIVE TO INSURE WETTING THE MATERIAL TO THE POINT OF SATURATION, AND PRESSING THE ROLLS AGAINST THE MATERIAL AT THE NIP WITH A PRESSURE ADEQUATE TO EFFECT FEED AND VIBRATION BUT INADEQUATE SUBSTANTIALLY TO INHIBIT THE FIBERS FROM MIGRATORY MOVEMENT.
References Cited (Backward Citations)
US1533349A
Cited
US1720574A
Cited
US1984701A
Cited
DE659412C
Cited
US2093709A
Cited
US2169372A
Cited
GB488487A
Cited
US2262268A
Cited
US2325301A
Cited
US2441390A
Cited
US2496873A
Cited
US2470453A
Cited
US2632229A
Cited
US2616153A
Cited
US2594497A
Cited
US2604503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |