Patent US3358960A successfully refreshed from Google Patents.
US3358960A
Expired / Lapsed
US
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Core insert for concrete structures
Assignee: Connelly Containers Inc
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Filing: 1965-10-21
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Granted: 1967-12-19
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 David L Oliver
- 👤 Stephen A Herbetko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:49
CPC Classifications
B; B28; B28B; B28B23/00; B28B23/0068; E; E04; E04G; E04G9/00; E04G9/08; E04G9/083; Y; Y10; Y10S; Y10S249/00; Y10S249/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A REINFORCING INSERT FOR A CORE FOR CAST CONCRETE COMPRISING MEANS DEFINING A GENERALLY RIGHT PARALLELEPIPEDAL STRUCTURE HAVING A FRONT FACE AND A REAR FACE, AND MEANS FOR ASSEMBLING ONE SAID INSERT TO AN ADJACENT SAID INSERT COMPRISING PROJECTION MEANS EXTENDING FROM ONE SAID FACE AND CUTOUT MEANS FOR MATINGLY RECEIVING SAID PROJECTION MEANS AT THE OPPOSITE FACE THEREOF.
Claim 2
Dependent Claim
59 words
A REINFORCING INSERT FOR A CORE FOR CAST CONCRETE COMPRISING MEANS DEFINING A GENERALLY RIGHT PARALLELEPIPEDAL STRUCTURE HAVING A FRONT FACE AND A REAR FACE, AND MEANS FOR ASSEMBLING ONE SAID INSERT TO AN ADJACENT SAID INSERT COMPRISING PROJECTION MEANS EXTENDING FROM ONE SAID FACE AND CUTOUT MEANS FOR MATINGLY RECEIVING SAID PROJECTION MEANS AT THE OPPOSITE FACE THEREOF.
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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) | 1970-12-18 | 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 |