US3358693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Writing platen for ledger books
Assignee: Individual
•
Filing: 1965-05-26
•
Granted: 1967-12-19
•
Expires: 1985-05-26
Abstract
No abstract record available.
Inventors
- 👤 Brechner Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:11
CPC Classifications
B; B42; B42D; B42D12/00; B41; B41L; B41L3/00; B41L3/08; Y; Y10; Y10S; Y10S402/00; Y10S402/503
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A WRITING PLATEN HAVING A GROOVE WITH A BOTTOM WALL OF MAGNETIC MATERIAL AND SAID GROOVE HAVING SIDES CONNECTING SAID BOTTOM WALL WITH SAID PLATEN, A PEG STRIP SLIDABLE IN SAID GROOVE, SAID PEG STRIP BEING A U SHAPED CHANNEL HAVING SIDE FLANGES WITH EDGES SLIDABLE ON SAID BOTTOM WALL, A MAGNETIC MEMBER IN SAID CHANNEL AND SLIDABLE THEREWITH HAVING OPPOSITELY POLARIZED EDGES ADJACENT RESPECTIVE FLANGES, SAID CHANNEL BEING OF MAGNETIC MATERIAL WHEREBY THE EDGES THEREOF ARE MAGNETIC POLES TO EFFECT AN ATTRACTIVE FORCE HOLDING SAID PEG STRIP IN SAID GROOVE AN INDEXING PIN CARRIED BY SAID PEG STRIP AND INDEXING HOLES IN SAID PLATEN AT THE BOTTOM OF SAID GROOVE FOR EFFECTING PREDETERMINED POSITIONS OF SAID PEG STRIP THEREIN, SAID PIN BEING ENGAGEABLE IN A SELECTED INDEXING HOLE AS SAID CHANNEL IS SLIDABLY POSITIONED IN SAID GROOVE.
Claim 2
Dependent Claim
138 words
A WRITING PLATEN HAVING A GROOVE WITH A BOTTOM WALL OF MAGNETIC MATERIAL AND SAID GROOVE HAVING SIDES CONNECTING SAID BOTTOM WALL WITH SAID PLATEN, A PEG STRIP SLIDABLE IN SAID GROOVE, SAID PEG STRIP BEING A U SHAPED CHANNEL HAVING SIDE FLANGES WITH EDGES SLIDABLE ON SAID BOTTOM WALL, A MAGNETIC MEMBER IN SAID CHANNEL AND SLIDABLE THEREWITH HAVING OPPOSITELY POLARIZED EDGES ADJACENT RESPECTIVE FLANGES, SAID CHANNEL BEING OF MAGNETIC MATERIAL WHEREBY THE EDGES THEREOF ARE MAGNETIC POLES TO EFFECT AN ATTRACTIVE FORCE HOLDING SAID PEG STRIP IN SAID GROOVE AN INDEXING PIN CARRIED BY SAID PEG STRIP AND INDEXING HOLES IN SAID PLATEN AT THE BOTTOM OF SAID GROOVE FOR EFFECTING PREDETERMINED POSITIONS OF SAID PEG STRIP THEREIN, SAID PIN BEING ENGAGEABLE IN A SELECTED INDEXING HOLE AS SAID CHANNEL IS SLIDABLY POSITIONED IN SAID GROOVE.
References Cited (Backward Citations)
CA655593A
Cited
US2524128A
Cited
US2638015A
Cited
US2597579A
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US2763241A
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US2884723A
Cited
US2943246A
Cited
US2944838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |