US3289253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molds
Assignee: Individual
•
Filing: 1964-01-22
•
Granted: 1966-12-06
•
Expires: 1984-01-22
Abstract
No abstract record available.
Inventors
- 👤 Robert B Buonaiuto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:34
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/72; B29C33/00; B29C33/02; B29C33/08; B29C33/38; B29C33/3814; B29C33/3842; B29C33/3857; B29C33/40; B29C44/00; B29C44/34; B29C44/3415; B29K; B29K2995/00; B29K2995/0003; B29K2995/0006; Y; Y10; Y10S; Y10S425/00; Y10S425/029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A RIGID MOLD CONSTRUCTED OF AN IMPERVIOUS MATERIAL HAVING A LOW-LOSS FACTOR FOR HIGH FREQUENCY ELECTROMAGNETIC WAVES AND BEING COATED ON ITS MOLDING SURFACES WITH A FIBROUS MATERIAL, A PORTION OF THE FIBERS BEING EMBEDDED IN THE SUBSTANCE OF THE MOLD AND A PORTION OF THE FIBERS BEING FREE.
Claim 2
Dependent Claim
49 words
A RIGID MOLD CONSTRUCTED OF AN IMPERVIOUS MATERIAL HAVING A LOW-LOSS FACTOR FOR HIGH FREQUENCY ELECTROMAGNETIC WAVES AND BEING COATED ON ITS MOLDING SURFACES WITH A FIBROUS MATERIAL, A PORTION OF THE FIBERS BEING EMBEDDED IN THE SUBSTANCE OF THE MOLD AND A PORTION OF THE FIBERS BEING FREE.
References Cited (Backward Citations)
US851849A
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US2363213A
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US2345939A
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US2560599A
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US2626428A
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US2842801A
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US2707801A
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US2707802A
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US2948651A
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US2967756A
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US3064314A
Cited
US3165567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |