Patent US3485615A successfully refreshed from Google Patents.
US3485615A
Expired / Lapsed
US
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Glass sheet supporting and conveying apparatus with means to change the contour of the conveyor
Assignee: Pilkington North America Inc
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Filing: 1967-03-24
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Granted: 1969-12-23
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Expires: 1987-03-24
Abstract
No abstract record available.
Inventors
- 👤 Donald D Rahrig
- 👤 George F Ritter Jr
- 👤 Frank J Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:43
CPC Classifications
C; C03; C03B; C03B35/00; C03B35/14; C03B35/16; C03B35/18; C03B35/187; C03B23/00; C03B23/02; C03B23/023; C03B23/03; C03B2225/00; C03B2225/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2348887A
Cited
US2223124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |