Patent US3594856A successfully refreshed from Google Patents.
Patent US47228A successfully refreshed from Google Patents.
Patent US3136674A successfully refreshed from Google Patents.
US3136674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making electromagnetic wave reflector
Assignee: Individual
•
Filing: 1959-12-09
•
Granted: 1964-06-09
•
Expires: 1979-12-09
Abstract
No abstract record available.
Inventors
- 👤 Robert V Dunkle
- 👤 Joseph T Gier
- 👤 Robert D Roddick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:01
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/14; H01Q15/141; H01Q15/142; H01Q15/144; B; B29; B29C; B29C41/00; B29C41/02; B29C41/04; B29C41/042; B29C41/045; B29C48/00; B29C48/03; B29C48/09; B29C48/11; B29C69/00; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/32; B29C70/323; B29D; B29D11/00; B29D11/00605; B29D24/00; B29D24/002; B29D24/005; F; F24; F24S; F24S23/00; F24S23/70; F24S23/82; B29C48/001; B29C48/15; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T156/1036; Y10T156/1038; Y10T156/1052; Y10T156/1062; Y10T156/1064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE METHOD OF FORMING A RADIANT ENEREGY REFLECTOR WHICH COMPRISES THE STEPS OF MACHINING A SURFACE OF COMPRESSED HONEYCOMB MATERIAL TO FORM A COMPRESSED SEGMENT HAVING THIN AND THICK ENDS WITH A GRADUAL LINE OF INCLINATION EXTENDING FROM SAID THIN END TO SAID THICK END EXPANDING SAID MACHINED MATERIAL, CEMENTING THE SIDES OF SAID THICK AND THIN ENDS TO EACH OTHER TO FORM A HOLLOW CYLINDER, PLACING ONE END OF SAID CYLINDER OVER AN EXPANSION CONE OF GENERALLY CONICAL CONFIGURATION AND EXPANDING THE OPPOSITE END OUTWARDLY AND DOWNWARDLY TO CONVERT THE INTERIOR SURFACE OF SAID CYLINDER TO AN EXTERIOR SURFACE.
Claim 2
Independent Claim
100 words
THE METHOD OF FORMING A RADIANT ENEREGY REFLECTOR WHICH COMPRISES THE STEPS OF MACHINING A SURFACE OF COMPRESSED HONEYCOMB MATERIAL TO FORM A COMPRESSED SEGMENT HAVING THIN AND THICK ENDS WITH A GRADUAL LINE OF INCLINATION EXTENDING FROM SAID THIN END TO SAID THICK END EXPANDING SAID MACHINED MATERIAL, CEMENTING THE SIDES OF SAID THICK AND THIN ENDS TO EACH OTHER TO FORM A HOLLOW CYLINDER, PLACING ONE END OF SAID CYLINDER OVER AN EXPANSION CONE OF GENERALLY CONICAL CONFIGURATION AND EXPANDING THE OPPOSITE END OUTWARDLY AND DOWNWARDLY TO CONVERT THE INTERIOR SURFACE OF SAID CYLINDER TO AN EXTERIOR SURFACE.
References Cited (Backward Citations)
US1860158A
Cited
US2301580A
Cited
US2423648A
Cited
US2636125A
Cited
US2668327A
Cited
US2805974A
Cited
US2910396A
Cited
US2742387A
Cited
US2855664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |