Patent US3300920A successfully refreshed from Google Patents.
US3300920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reusable stakes
Assignee: Individual
•
Filing: 1964-07-15
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Granted: 1967-01-31
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Expires: 1984-07-15
Abstract
No abstract record available.
Inventors
- 👤 Peter B Skaare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:17
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/50; E01C19/502
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A METAL STAKE ASSEMBLAGE FOR SUPPORTING AND ALIGNING FORMS FOR CONCRETE AND THE LIKE COMPRISING: A TSHAPED FORM SUPPORT MEMBER HAVING A STEM PORTION PERPENDICULARLY CONNECTED TO A CROSS-BAR PORTION, SAID CROSSBAR PORTION HAVING A PLURALITY OF APERTURES FORMED THEREIN FOR RECEIVING FASTENING MEANS FOR SECURING A FORM TO SAID FORM SUPPORT MEMBER, SAID STEM PORTION HAVING A PLURALITY OF NOTCHES FORMED IN THE EDGE THEREOF IN SPACED RELATION; AND A BRACE MEMBER HAVING A STEM PORTION PERPENDICULARLY CONNECTED TO A CROSS-BAR PORTION, ONE END OF SAID BRACE MEMBER BEING ANGULARLY DISPOSED WITH RESPECT TO THE MAIN BODY PORTION THEREOF SO AS TO FORM A LEG WHICH IS DRIVABLE INTO THE GROUND, THE CROSS-BAR PORTION AT THE OPPOSITE END THEREOF BEING ENGAGEABLE IN RESPECTIVE ONES OF SAID PLURALITY OF NOTCHES TO VERTICALLY ALIGN AND SUPPORT SAID FORM SUPPORT MEMBER WHEN SAID FORM SUPPORT MEMBER IS PARTIALLY DRIVEN INTO THE GROUND.
Claim 2
Dependent Claim
150 words
A METAL STAKE ASSEMBLAGE FOR SUPPORTING AND ALIGNING FORMS FOR CONCRETE AND THE LIKE COMPRISING: A TSHAPED FORM SUPPORT MEMBER HAVING A STEM PORTION PERPENDICULARLY CONNECTED TO A CROSS-BAR PORTION, SAID CROSSBAR PORTION HAVING A PLURALITY OF APERTURES FORMED THEREIN FOR RECEIVING FASTENING MEANS FOR SECURING A FORM TO SAID FORM SUPPORT MEMBER, SAID STEM PORTION HAVING A PLURALITY OF NOTCHES FORMED IN THE EDGE THEREOF IN SPACED RELATION; AND A BRACE MEMBER HAVING A STEM PORTION PERPENDICULARLY CONNECTED TO A CROSS-BAR PORTION, ONE END OF SAID BRACE MEMBER BEING ANGULARLY DISPOSED WITH RESPECT TO THE MAIN BODY PORTION THEREOF SO AS TO FORM A LEG WHICH IS DRIVABLE INTO THE GROUND, THE CROSS-BAR PORTION AT THE OPPOSITE END THEREOF BEING ENGAGEABLE IN RESPECTIVE ONES OF SAID PLURALITY OF NOTCHES TO VERTICALLY ALIGN AND SUPPORT SAID FORM SUPPORT MEMBER WHEN SAID FORM SUPPORT MEMBER IS PARTIALLY DRIVEN INTO THE GROUND.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |