US3313304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binder
Assignee: LEWART COMPANY 3562 WEST 69TH STREET CLEVELAND OHIO 44102 A OHIO CORP
•
Filing: 1966-05-04
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Granted: 1967-04-11
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Expires: 1986-05-04
Abstract
No abstract record available.
Inventors
- 👤 Lewis R Beyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:39
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/16; B42F13/165; B42F13/20; G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/41; G05B19/4103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A RING BINDER: (A) A BACK PLATE TO BE FASTENED INSIDE A BINDER COVER AND HAVING A FIRST SIDE OR BOTTOM SURFACE TO BE POSITIONED AGAINST A BACK OF THE COVER AND A SECOND SIDE OR TOP SURFACE THAT FACES AWAY FORM THE BACK OF THE COVER; (B) A PLURALITY OF BINDER RING ELEMENTS INTEGRAL WITH THE BACK PLATE ALONG A FIRST LONGITUDINAL SIDE EDGE OF THE BACK PLATE, EACH HAVING A NARROW FINGER PORTION AND A WIDER BASE PORTION, SAID WIDER BASE PORTION BEING SUBSTANTIALLY SHORTER THAN THE LENGTH OF THE BACK PLATE AND SAID NARROW FINGER PORTION HAVING A FREE END PORTION INTERENGAGEABLE WITH THE BACK PLATE ADJACENT A SECOND LONGITUDINAL SIDE EDGE OF THE BACK PLATE; AND
Claim 2
Dependent Claim
121 words
IN A RING BINDER: (A) A BACK PLATE TO BE FASTENED INSIDE A BINDER COVER AND HAVING A FIRST SIDE OR BOTTOM SURFACE TO BE POSITIONED AGAINST A BACK OF THE COVER AND A SECOND SIDE OR TOP SURFACE THAT FACES AWAY FORM THE BACK OF THE COVER; (B) A PLURALITY OF BINDER RING ELEMENTS INTEGRAL WITH THE BACK PLATE ALONG A FIRST LONGITUDINAL SIDE EDGE OF THE BACK PLATE, EACH HAVING A NARROW FINGER PORTION AND A WIDER BASE PORTION, SAID WIDER BASE PORTION BEING SUBSTANTIALLY SHORTER THAN THE LENGTH OF THE BACK PLATE AND SAID NARROW FINGER PORTION HAVING A FREE END PORTION INTERENGAGEABLE WITH THE BACK PLATE ADJACENT A SECOND LONGITUDINAL SIDE EDGE OF THE BACK PLATE; AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |