US3227482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum head construction and method
Assignee: Hyster Co
•
Filing: 1963-03-27
•
Granted: 1966-01-04
•
Expires: 1983-03-27
Abstract
No abstract record available.
Inventors
- 👤 Donald A Harris
- 👤 James R Aaron
- 👤 Jerome F Moshofsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:55
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/181
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A VACUUM CUP COMPRISING: A BASE MEMBER INCLUDING A FLEXIBLE PORTION FORMING A CUP FOR CONNECTION TO A SOURCE OF VACUUM, AN ENDLESS ELASTOMER SEALING STRIP FOR ENGAGING A LOAD, MEANS FOR CREATING A VACCUM IN SAID SAID CUP WHEN SAID STRIP IS ENGAGING A LOAD, SAID STRIP BEING T SHAPED IN CROSS SECTION WITH THE HEAD OF THE T COMPRISING A BASE PORTION AND THE LEG OF THE T COMPRISING A LOAD ENGAGING PORTION AND BEING FLEXIBLE AT THE TIP END THEREOF, MEANS REMOVABLE CONNECTING SAID STRIP TO A PERIPHERAL PORTION OF SAID CUP, SAID MEANS PROVIDING AN UNDERCUT GROOVE DEFINED IN PART BY A PAIR OF LIP PORTIONS EXTENDING TOWARD ONE ANOTHER IN OVERLAPPING RELATION TO THE BASE PORTION REMOVAL SAID STRIP, SAID MEANS MOUNTING SAID LIP PORTIONS FOR SEPARATING MOVEMENT FROM ONE ANOTHER TO ENABLE READY REMOVAL AND INSERTION OF SAID STRIP FROM SAID GROOVE.
Claim 2
Dependent Claim
148 words
A VACUUM CUP COMPRISING: A BASE MEMBER INCLUDING A FLEXIBLE PORTION FORMING A CUP FOR CONNECTION TO A SOURCE OF VACUUM, AN ENDLESS ELASTOMER SEALING STRIP FOR ENGAGING A LOAD, MEANS FOR CREATING A VACCUM IN SAID SAID CUP WHEN SAID STRIP IS ENGAGING A LOAD, SAID STRIP BEING T SHAPED IN CROSS SECTION WITH THE HEAD OF THE T COMPRISING A BASE PORTION AND THE LEG OF THE T COMPRISING A LOAD ENGAGING PORTION AND BEING FLEXIBLE AT THE TIP END THEREOF, MEANS REMOVABLE CONNECTING SAID STRIP TO A PERIPHERAL PORTION OF SAID CUP, SAID MEANS PROVIDING AN UNDERCUT GROOVE DEFINED IN PART BY A PAIR OF LIP PORTIONS EXTENDING TOWARD ONE ANOTHER IN OVERLAPPING RELATION TO THE BASE PORTION REMOVAL SAID STRIP, SAID MEANS MOUNTING SAID LIP PORTIONS FOR SEPARATING MOVEMENT FROM ONE ANOTHER TO ENABLE READY REMOVAL AND INSERTION OF SAID STRIP FROM SAID GROOVE.
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |