Patent US2983635A successfully refreshed from Google Patents.
US2983635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of laminated safety glass
Assignee: PPG Industries Inc
•
Filing: 1956-11-08
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Granted: 1961-05-09
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Expires: 1976-11-08
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:13
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10816; B32B17/10825; B32B17/10862; B32B17/1055; B32B17/10761
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A NIPPER ROLL PRESS FOR THE PRELIMINARY PRESSING OF CURVED LAMINATED GLASS SHEETS, WHEREIN THE NIPPER ROLLS TAKE THE FORM OF TWO GENERALLY PARALLEL ROWS OF SEPARATE ROLL SECTIONS ARRANGED IN SIDE-BY-SIDE RELATION, AT LEAST ONE PAIR OF PERIPHERALLY OPPOSED ROLL SECTIONS IN PERIPHERAL PRESSURE ENGAGEMENT WITH EACH OTHER BEING RECTILINEARLY MOVABLE AS A UNIT RELATIVELY TO THE REMAINING ROLL SECTIONS
Claim 2
Dependent Claim
61 words
A NIPPER ROLL PRESS FOR THE PRELIMINARY PRESSING OF CURVED LAMINATED GLASS SHEETS, WHEREIN THE NIPPER ROLLS TAKE THE FORM OF TWO GENERALLY PARALLEL ROWS OF SEPARATE ROLL SECTIONS ARRANGED IN SIDE-BY-SIDE RELATION, AT LEAST ONE PAIR OF PERIPHERALLY OPPOSED ROLL SECTIONS IN PERIPHERAL PRESSURE ENGAGEMENT WITH EACH OTHER BEING RECTILINEARLY MOVABLE AS A UNIT RELATIVELY TO THE REMAINING ROLL SECTIONS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |