Patent US3153103A successfully refreshed from Google Patents.
Patent US3157262A successfully refreshed from Google Patents.
US3157262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopic chute
Assignee: Individual
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Filing: 1963-04-01
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Granted: 1964-11-17
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Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Chapdelaine Louis Philippe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:41
CPC Classifications
B; B65; B65G; B65G11/00; B65G11/14; B65G11/146; B28; B28C; B28C5/00; B28C5/42; B28C5/4203; B28C5/4234; B28C5/4244; B28C5/4248; B28C5/4251; E; E01; E01C; E01C19/00; E01C19/46; E01C19/47; E01C19/475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A TELESCOPIC CHUTE FOR THE CONVEYING OF FLOWABLE MATERIAL, COMPRISING: (A) THREE TELESCOPICALLY CONNECTED CONVEYING SECTIONS MOVABLE FROM A RETRACTED NESTED POSITION TO AN EXTRACTED POSITION WHEREIN THE SECTIONS ARE IN THE CONTINUATION OF ONE ANOTHER; (B) SAID SECTIONS INCLUDING A FIXED FIRST SECTION FOLLOWED BY A SECOND AND THIRD MOVABLE SECTIONS; (C) A PULLEY AT EACH END OF SAID SECOND SECTION; (D) A FIRST CABLE HAVING ONE END SECURED TO SAID FIXED SECTION BETWEEN THE TWO PULLEYS, WINDING AROUND ONE OF SAID PULLEYS AND SECURED, AT THE OTHER END TO THE THIRD SECTION, BETWEEN THE TWO PULLEYS; (E) A SECOND CABLE HAVING ONE END SECURED TO SAID FIXED SECTION WINDING AROUND SAID OTHER PULLEY AND SECURED AT THE OTHER END TO SAID THIRD SECTION, BETWEEN THE TWO PULLEYS; (F) MEANS FOR MOVING SAID SECOND SECTION TO THUS FORCE CORRESPONDING MOVEMENT OF SAID THIRD SECTION.
Claim 2
Dependent Claim
145 words
A TELESCOPIC CHUTE FOR THE CONVEYING OF FLOWABLE MATERIAL, COMPRISING: (A) THREE TELESCOPICALLY CONNECTED CONVEYING SECTIONS MOVABLE FROM A RETRACTED NESTED POSITION TO AN EXTRACTED POSITION WHEREIN THE SECTIONS ARE IN THE CONTINUATION OF ONE ANOTHER; (B) SAID SECTIONS INCLUDING A FIXED FIRST SECTION FOLLOWED BY A SECOND AND THIRD MOVABLE SECTIONS; (C) A PULLEY AT EACH END OF SAID SECOND SECTION; (D) A FIRST CABLE HAVING ONE END SECURED TO SAID FIXED SECTION BETWEEN THE TWO PULLEYS, WINDING AROUND ONE OF SAID PULLEYS AND SECURED, AT THE OTHER END TO THE THIRD SECTION, BETWEEN THE TWO PULLEYS; (E) A SECOND CABLE HAVING ONE END SECURED TO SAID FIXED SECTION WINDING AROUND SAID OTHER PULLEY AND SECURED AT THE OTHER END TO SAID THIRD SECTION, BETWEEN THE TWO PULLEYS; (F) MEANS FOR MOVING SAID SECOND SECTION TO THUS FORCE CORRESPONDING MOVEMENT OF SAID THIRD SECTION.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |