US3410672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass working apparatus with liquid seal
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1964-01-10
•
Granted: 1968-11-12
•
Expires: 1984-01-10
Abstract
No abstract record available.
Inventors
- 👤 Lajarte Stephane Dufaure De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:40
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/34; C03C17/3411; C03C17/3417; B; B24; B24C; B24C1/00; C03B; C03B15/00; C03B15/14; C03B17/00; C03B17/06; C03B37/00; C03B37/01; C03B37/02; C03C17/36; C03C17/3602; C03C17/3605; C03C3/00; C03C3/04; C03C3/076; C03C3/083; C03C3/085; C03C3/087; C03C3/11; C03C3/112; C03C3/115; C03C3/118; Y; Y10; Y10S; Y10S277/00; Y10S277/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
APPARATUS FOR THE PROGRESSIVE TREATMENT OF A LENGTH OF MATERIAL WHICH COMPRISES A CHAMBER, MEANS TO INTRODUCE THE MATERIAL TO THE CHAMBER AND MEANS TO WITHDRAW THE MATERIAL FROM THE CHAMBER COMPRISING AN APERTURE IN THE CHAMBER WHICH IS LARGER THAN THE MATERIAL BY A CAPILLARY AMOUNT AND WHICH IS FILLED WITH A NON-ADHERENT LIQUID, MEANS TO FLOW A TREATING FLUID THROUGH THE CHAMBER IN CONTACT WITH THE MATERIAL, AND PRESSURE CONTROLLING MEANS FOR THE CHAMBER.
Claim 2
Dependent Claim
76 words
APPARATUS FOR THE PROGRESSIVE TREATMENT OF A LENGTH OF MATERIAL WHICH COMPRISES A CHAMBER, MEANS TO INTRODUCE THE MATERIAL TO THE CHAMBER AND MEANS TO WITHDRAW THE MATERIAL FROM THE CHAMBER COMPRISING AN APERTURE IN THE CHAMBER WHICH IS LARGER THAN THE MATERIAL BY A CAPILLARY AMOUNT AND WHICH IS FILLED WITH A NON-ADHERENT LIQUID, MEANS TO FLOW A TREATING FLUID THROUGH THE CHAMBER IN CONTACT WITH THE MATERIAL, AND PRESSURE CONTROLLING MEANS FOR THE CHAMBER.
References Cited (Backward Citations)
US2215449A
Cited
US2860450A
Cited
US2893895A
Cited
US3193365A
Cited
US3250604A
Cited
US3226203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |