US3363520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for collecting and transferring sheet material
Assignee: West Virginia Pulp and Paper Co
•
Filing: 1965-10-21
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Granted: 1968-01-16
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Obenshain David Noel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:36
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/50; B65H29/51; B65H2301/00; B65H2301/40; B65H2301/44; B65H2301/443; B65H2301/4431; B65H2301/44314; B65H2301/44316
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A SHEET COLLECTING AND TRANSFERRING MECHANISM COMPRISING, IN COMBINATION, A FORAMINOUS DRUM FOR COLLECTING INDIVIDUAL SHEETS THEREON ONE AFTER ANOTHER AND FOR ACCUMULATING THE SHEETS IN A REGISTERED PACKET, FIRST AIR SHOWER MEANS DISPOSED ABOVE SAID DRUM FOR GUIDING THE INDIVIDUAL SHEETS ONTO SAID DRUM, SECOND AIR SHOWER MEANS DISPOSED WITHIN SAID DRUM FOR REMOVING THE ACCUMULATED SHEETS FROM SAID DRUM, AND AIR SUPPLY TIMING MEANS ASSOCIATED WITH SAID FIRST AND SAID SECOND AIR SHOWER MEANS FOR SUPPLYING AIR TO SAID FIRST AND SAID SECOND AIR SHOWER MEANS.
Claim 2
Dependent Claim
89 words
IN A SHEET COLLECTING AND TRANSFERRING MECHANISM COMPRISING, IN COMBINATION, A FORAMINOUS DRUM FOR COLLECTING INDIVIDUAL SHEETS THEREON ONE AFTER ANOTHER AND FOR ACCUMULATING THE SHEETS IN A REGISTERED PACKET, FIRST AIR SHOWER MEANS DISPOSED ABOVE SAID DRUM FOR GUIDING THE INDIVIDUAL SHEETS ONTO SAID DRUM, SECOND AIR SHOWER MEANS DISPOSED WITHIN SAID DRUM FOR REMOVING THE ACCUMULATED SHEETS FROM SAID DRUM, AND AIR SUPPLY TIMING MEANS ASSOCIATED WITH SAID FIRST AND SAID SECOND AIR SHOWER MEANS FOR SUPPLYING AIR TO SAID FIRST AND SAID SECOND AIR SHOWER MEANS.
References Cited (Backward Citations)
US3216298A
Cited
US3259961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |