US3085777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic clipboard
Assignee: Individual
•
Filing: 1961-06-08
•
Granted: 1963-04-16
•
Expires: 1981-06-08
Abstract
No abstract record available.
Inventors
- 👤 Lewtan Robert
- 👤 Lewtan Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:20
CPC Classifications
B; B42; B42F; B42F9/00; B42F9/001; B42D; B42D5/00; B42D5/003; B42D5/005; B42D5/006; Y; Y10; Y10S; Y10S402/00; Y10S402/503; Y10T; Y10T24/00; Y10T24/20; Y10T24/202; Y10T24/203; Y10T24/204; Y10T24/32; Y10T24/34; Y10T24/3427; Y10T24/3428; Y10T24/3431; Y10T24/3433; Y10T24/3435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A CLIPBOARD COMPRISING A SHEET METAL BASE MEMBER, SAID BASE MEMBER HAVING A GENERALLY RECTANGULAR AND FLAT FORWARD PORTION ADAPTED TO SUPPORT A FLAT ITEM, SAID BASE MEMBER EXTENDING REARWARDLY FROM SAID FORWARD PORTION, BEING REVERSELY BENT UPON ITSELF ALONG A REAR EDGE, AND EXTENDING FORWARDLY FOR SOME DISTANCE FROM SAID REAR EDGE TO PROVIDE SPACED TOP AND BOTTOM HOUSING PORTIONS LOCATED REARWARDLY OF SAID FORWARD PORTION, SAID TOP PORTION BEING CUT AWAY TO PROVIDE A NOTCH THEREIN LOCATED INTERMEDIATE THE ENDS OF SAID REAR EDGE, A MANUALLY OPERABLE AND SPRING BIASED CLIP POSITIONED IN PART WITHIN SAID NOTCH FOR RELEASABLY HOLDING AN ITEM SUCH AS AFORESAID TO SAID FLAT FORWARD PORTION, AND TWO PERMANENT MAGNETS LOCATED RESPECTIVELY ON OPPOSITE SIDES OF SAID CLIP FOR HOLDING SAID BASE MEMBER TO A MAGNETIC SURFACE, EACH OF SAID MAGNETS BEING LOCATED WITHIN THE SPACE BETWEEN SAID TOP AND BOTTOM HOUSING PORTIONS AND SECURED TO SAID BOTTOM HOUSING PORTION.
Claim 2
Dependent Claim
156 words
A CLIPBOARD COMPRISING A SHEET METAL BASE MEMBER, SAID BASE MEMBER HAVING A GENERALLY RECTANGULAR AND FLAT FORWARD PORTION ADAPTED TO SUPPORT A FLAT ITEM, SAID BASE MEMBER EXTENDING REARWARDLY FROM SAID FORWARD PORTION, BEING REVERSELY BENT UPON ITSELF ALONG A REAR EDGE, AND EXTENDING FORWARDLY FOR SOME DISTANCE FROM SAID REAR EDGE TO PROVIDE SPACED TOP AND BOTTOM HOUSING PORTIONS LOCATED REARWARDLY OF SAID FORWARD PORTION, SAID TOP PORTION BEING CUT AWAY TO PROVIDE A NOTCH THEREIN LOCATED INTERMEDIATE THE ENDS OF SAID REAR EDGE, A MANUALLY OPERABLE AND SPRING BIASED CLIP POSITIONED IN PART WITHIN SAID NOTCH FOR RELEASABLY HOLDING AN ITEM SUCH AS AFORESAID TO SAID FLAT FORWARD PORTION, AND TWO PERMANENT MAGNETS LOCATED RESPECTIVELY ON OPPOSITE SIDES OF SAID CLIP FOR HOLDING SAID BASE MEMBER TO A MAGNETIC SURFACE, EACH OF SAID MAGNETS BEING LOCATED WITHIN THE SPACE BETWEEN SAID TOP AND BOTTOM HOUSING PORTIONS AND SECURED TO SAID BOTTOM HOUSING PORTION.
References Cited (Backward Citations)
DE9904C
Cited
US1482659A
Cited
US1632459A
Cited
US2497332A
Cited
US2713531A
Cited
US2745415A
Cited
US2965235A
Cited
US2977082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |