Patent US3273723A successfully refreshed from Google Patents.
US3273723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing machine
Assignee: —
•
Filing: —
•
Granted: 1966-09-20
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Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:47
CPC Classifications
B; B65; B65B; B65B21/00; B65B21/02; B65B21/14; B65B21/18; B65B21/186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
AN ARTICLE GRIPPING MECHANISM COMPRISING A SUBSTANTIALLY RIGID BODY PORTION; ELASTIC MEANS CONNECTED TO SAID BODY PORTION AND IN THE UNSTRESSED CONDITION, HAVING A CONFIGURATION COMPLEMENTARY TO THE CONFIGURATION OF THE ARTICLE PORTION TO BE GRIPPED AND HAVING A SUBSTANTIALLY UNIFORMLY DIFFERENT DIMENSION THAN THE ARTICLE PORTION; MEANS TO SUPPLY FLUID UNDER PRESSURE TO EXPAND SAID ELASTIC MEANS INTO GRIPPING ENGAGEMENT WITH THE ARTICLE; SAID BODY PORTION HAVING A SEAT; SAID ELASTIC MEANS HAVING A SEALING PORTION IN ENGAGEMENT WITH SAID SEAT, NORMALLY FORMING A FLUID TIGHT SEAL; SAID BODY PORTION AND SAID SEALING PORTION PERMITTING RELATIVE MOVEMENT THEREBETWEEN RESPONSIVE TO A PREDETERMINED AMOUNT OF EXPANSION OF SAID ELASTIC MEANS TO PRODUCE FLUID LEAKAGE; SEPARATE SENSING MEANS RESPONSIVE TO SAID LEAKAGE TO CONTROL THE OPERATION OF SAID ARTICLE GRIPPING MECHANISM.
Claim 2
Dependent Claim
130 words
AN ARTICLE GRIPPING MECHANISM COMPRISING A SUBSTANTIALLY RIGID BODY PORTION; ELASTIC MEANS CONNECTED TO SAID BODY PORTION AND IN THE UNSTRESSED CONDITION, HAVING A CONFIGURATION COMPLEMENTARY TO THE CONFIGURATION OF THE ARTICLE PORTION TO BE GRIPPED AND HAVING A SUBSTANTIALLY UNIFORMLY DIFFERENT DIMENSION THAN THE ARTICLE PORTION; MEANS TO SUPPLY FLUID UNDER PRESSURE TO EXPAND SAID ELASTIC MEANS INTO GRIPPING ENGAGEMENT WITH THE ARTICLE; SAID BODY PORTION HAVING A SEAT; SAID ELASTIC MEANS HAVING A SEALING PORTION IN ENGAGEMENT WITH SAID SEAT, NORMALLY FORMING A FLUID TIGHT SEAL; SAID BODY PORTION AND SAID SEALING PORTION PERMITTING RELATIVE MOVEMENT THEREBETWEEN RESPONSIVE TO A PREDETERMINED AMOUNT OF EXPANSION OF SAID ELASTIC MEANS TO PRODUCE FLUID LEAKAGE; SEPARATE SENSING MEANS RESPONSIVE TO SAID LEAKAGE TO CONTROL THE OPERATION OF SAID ARTICLE GRIPPING MECHANISM.
References Cited (Backward Citations)
US2120272A
Cited
US2619237A
Cited
FR1093458A
Cited
US2897988A
Cited
US2929653A
Cited
US2862634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |