Patent US3357699A successfully refreshed from Google Patents.
US3357699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for separating stacked sheets
Assignee: Union Special Machine Co
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Filing: 1965-08-03
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Granted: 1967-12-12
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Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 John G Attwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:52
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/32; Y; Y10; Y10T; Y10T156/00; Y10T156/11; Y10T156/1105; Y10T225/00; Y10T225/30; Y10T225/371
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A SHEET SEPARATOR COMPRISING MEANS FOR SUPPORTING A PLURALITY OF SHEETS IN STACKED RELATION, MEANS ADAPTED FOR INSERTION BETWEEN SELECTED ONES OF SHEETS IN A STACK, MEANS ENGAGEABLE WITH A TERMINAL SHEET OF A STACK FOR INDEXING SAID MEANS ADAPTED FOR INSERTION AND MEANS FOR DISPLACING SAID MEANS ENGAGEABLE AFTER INDEXING SAID MEANS ADAPTED FOR INSERTION.
Claim 2
Dependent Claim
56 words
A SHEET SEPARATOR COMPRISING MEANS FOR SUPPORTING A PLURALITY OF SHEETS IN STACKED RELATION, MEANS ADAPTED FOR INSERTION BETWEEN SELECTED ONES OF SHEETS IN A STACK, MEANS ENGAGEABLE WITH A TERMINAL SHEET OF A STACK FOR INDEXING SAID MEANS ADAPTED FOR INSERTION AND MEANS FOR DISPLACING SAID MEANS ENGAGEABLE AFTER INDEXING SAID MEANS ADAPTED FOR INSERTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |