Patent US3901049A successfully refreshed from Google Patents.
Patent US3084969A successfully refreshed from Google Patents.
US3084969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handling rigid sheet articles
Assignee: PPG Industries Inc
•
Filing: 1959-04-16
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Granted: 1963-04-09
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Expires: 1979-04-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles R Davidson
- 👤 William P Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:50
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/05; B65G49/06; B65G49/067; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/44; B66C1/48; C; C03; C03B; C03B35/00; C03B35/14; C03B35/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
182 words
IN SUSPENSION TONGS FOR GRIPPING GLASS SHEETS COMPRISING A COMMON LINK PIN, A PAIR OF UPPER LINKS PIVOTED TO ONE ANOTHER AT THEIR UPPER ENDS THROUGH SAID COMMON LINK PIN, A PAIR OF TONG ARMS, A PAIR OF ADDITIONAL PINS, ONE OF SAID ADDITIONAL PINS PIVOTALLY CONNECTING THE BOTTOM PORTION OF ONE OF SAID UPPER LINKS TO THE UPPER PORTION OF ONE OF SAID TONG ARMS AND THE OTHER OF SAID ADDITIONAL PINS PIVOTALLY CONNECTING THE BOTTOM PORTION OF THE OTHER OF SAID UPPER LINKS TO THE UPPER PORTION OF THE OTHER OF SAID TONG ARMS, A COMMON HINGE PIN PIVOTALLY INTERCONNECTING SAID TONG ARMS TO ONE ANOTHER INTERMEDIATE THEIR ENDS, MEANS FOR GRIPPING THE OPPOSITE SURFACES OF A GLASS SHEET THEREBETWEEN CARRIED BY SAID TONG ARMS BELOW SAID COMMON HINGE PIN, SAID UPPER LINKS AND SAID TONG ARMS BEING CAPABLE OF EASY PIVOTAL MOVEMENT ABOUT SAID PINS, THEREBY CAUSING SAID GRIPPING MEANS TO MOVE TOWARD AND AWAY FROM ONE ANOTHER IN RESPONSE TO SUCH MOVEMENT WHEN SAID COMMON LINK PIN IS HELD IN A FIXED HORIZONTAL PLANE, THE IMPROVEMENT COMPRISING AN
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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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |