US3104694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for contouring honeycomb core
Assignee: Lockheed Martin Corp
•
Filing: 1959-12-08
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Granted: 1963-09-24
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Expires: 1979-12-08
Abstract
No abstract record available.
Inventors
- 👤 John E Broderick
- 👤 Otto M Behr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:22
CPC Classifications
B; B21; B21D; B21D47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A TOOL FOR MODIFYING THE SHAPE OF INDIVIDUAL CELLS OF A BILLET OF CELLULAR HONEYCOMB CORE TO BRING ABOUT A CONTROLLED CURVATURE OF THE BILLET, SAID TOOL COMPRISING AN ELONGATED CENTRAL SPINDLE MEMBER HAVING AT ONE END THEREOF A TIP ADAPTED TO ENTER INDIVIDUAL CELLS OF THE BILLET OF HONEYCOMB CORE MATERIAL, A PLURALITY OF TINES ARRANGED IN SPACED RELATION ABOUT SAID SPINDLE, EACH OF SAID TINES BEING DISPOSED IN SUBSTANTIALLY PARALLEL RELATION WITH SAID SPINDLE, AND EACH HAVING A TIP PORTION SIMPLIFYING ENTRY INTO A CELL ADJACENT A CELL BEING ENTERED BY SAID SPINDLE AS IT IS CAUSED TO ENTER SAID BILLET, SAID SPINDLE HAVING LONGITUDINAL RECESSES TO ACCOMMODATE SAID TINES, AND SECURING MEANS LOCATED A SPACED DISTANCE ON SAID SPINDLE AWAY FROM THE TIP THEREOF FOR SECURING SAID TINES IN POSITIONS LYING CLOSELY ALONG SAID SPINDLE IN SAID LONGITUDINAL RECESSES.
Claim 2
Dependent Claim
142 words
A TOOL FOR MODIFYING THE SHAPE OF INDIVIDUAL CELLS OF A BILLET OF CELLULAR HONEYCOMB CORE TO BRING ABOUT A CONTROLLED CURVATURE OF THE BILLET, SAID TOOL COMPRISING AN ELONGATED CENTRAL SPINDLE MEMBER HAVING AT ONE END THEREOF A TIP ADAPTED TO ENTER INDIVIDUAL CELLS OF THE BILLET OF HONEYCOMB CORE MATERIAL, A PLURALITY OF TINES ARRANGED IN SPACED RELATION ABOUT SAID SPINDLE, EACH OF SAID TINES BEING DISPOSED IN SUBSTANTIALLY PARALLEL RELATION WITH SAID SPINDLE, AND EACH HAVING A TIP PORTION SIMPLIFYING ENTRY INTO A CELL ADJACENT A CELL BEING ENTERED BY SAID SPINDLE AS IT IS CAUSED TO ENTER SAID BILLET, SAID SPINDLE HAVING LONGITUDINAL RECESSES TO ACCOMMODATE SAID TINES, AND SECURING MEANS LOCATED A SPACED DISTANCE ON SAID SPINDLE AWAY FROM THE TIP THEREOF FOR SECURING SAID TINES IN POSITIONS LYING CLOSELY ALONG SAID SPINDLE IN SAID LONGITUDINAL RECESSES.
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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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |