US3043729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet feeding and sealing machine
Assignee: GT Schjeldahl Co
•
Filing: 1958-06-27
•
Granted: 1962-07-10
•
Expires: 1978-06-27
Abstract
No abstract record available.
Inventors
- 👤 Herman L Seiden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:42
CPC Classifications
B; B65; B65B; B65B41/00; B65B41/12; B65B41/16; B26; B26D; B26D1/00; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1737; Y10T83/00; Y10T83/202; Y10T83/2027; Y10T83/2029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A SHEET-FEEDING MACHINE: SEPARATE SHEET-INFEEDING AND OUTFEEDING SETS OF ROLLERS SPACED APART ALONG THE PATH OF SHEET TRAVEL; A DRIVING MOTOR AND A FIRST ELCTRICALLY-ACTUATED CLUTCH MEANS OPERABLE TO DRIVINGLY CONNECT AND DICONNECT BOTH SETS OF ROLLERS SIMULTANEOUSLY WITH OPERATING POWER FROM SAID MOTOR; A MOVABLE CUTOFF KNIFE LOACTED BWTWEEN SAID SETS OF ROLLERS AND OPERABLE IN DUTY CYCLES TO ENGAGE, SEVER, AND WITHDRAW FROM, A FED LENGTH OF SAID SHEETING BETWEEN PORTIONS THEREOF ENGAGED BY BOTH SETS OF ROLLERS; A SECOND ELECTRICALLYACTUATED CLUTCH MEANS OPERABLE TO CONNECT SAID KNIFE MEANS FOR CYCLIC OPERATION BY POWER FROM SAID MOTOR; AND MASTER CONTROL MEANS HAVING CIRCUIT CONNECTION WITH
Claim 2
Dependent Claim
108 words
IN A SHEET-FEEDING MACHINE: SEPARATE SHEET-INFEEDING AND OUTFEEDING SETS OF ROLLERS SPACED APART ALONG THE PATH OF SHEET TRAVEL; A DRIVING MOTOR AND A FIRST ELCTRICALLY-ACTUATED CLUTCH MEANS OPERABLE TO DRIVINGLY CONNECT AND DICONNECT BOTH SETS OF ROLLERS SIMULTANEOUSLY WITH OPERATING POWER FROM SAID MOTOR; A MOVABLE CUTOFF KNIFE LOACTED BWTWEEN SAID SETS OF ROLLERS AND OPERABLE IN DUTY CYCLES TO ENGAGE, SEVER, AND WITHDRAW FROM, A FED LENGTH OF SAID SHEETING BETWEEN PORTIONS THEREOF ENGAGED BY BOTH SETS OF ROLLERS; A SECOND ELECTRICALLYACTUATED CLUTCH MEANS OPERABLE TO CONNECT SAID KNIFE MEANS FOR CYCLIC OPERATION BY POWER FROM SAID MOTOR; AND MASTER CONTROL MEANS HAVING CIRCUIT CONNECTION WITH
References Cited (Backward Citations)
US2278032A
Cited
US2629440A
Cited
US2785748A
Cited
US2884988A
Cited
US2800163A
Cited
US2882956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |