Patent US4924882A successfully refreshed from Google Patents.
Patent US3044914A successfully refreshed from Google Patents.
US3044914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-insulating materials
Assignee: Acordis UK Ltd
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Filing: 1958-10-28
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Granted: 1962-07-17
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Expires: 1978-10-28
Abstract
No abstract record available.
Inventors
- 👤 Bell Angus Smith
- 👤 Smithies John
- 👤 Briggs James Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:50
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H1/542; D04H1/551; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/7654; E04B1/7658; E04B1/7662; E04B1/78; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24595; Y10T428/29; Y10T428/2904; Y10T428/2907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
HEAT-INSULATING MATERIAL COMPRISING A BATTING OF STAPLE FIBERS OF WHICH AT LEAST A SUBSTANTIAL PROPORTION ARE THERMOSPLATIC FIBERS, SUBSTANTIALLY ALL THE FIBERS THROUGHOUT THE BATTING BEING BONDED TOGETHER BY COALESCENCE, THE BATTING BEING EMBOSSED IN A PATTERN OF INTERSECTING LINES AND COMPRESSED ONLY AT SAID EMBOSSED LINES TO A DEPTH AND ONLY TO A DEPTH SUCH THAT THE BATTING IS RESILIENT AT THE LINES; THE BATTING REMAINING UNCOMPRESSED EXCEPT AT SAID LINES.
Claim 2
Dependent Claim
72 words
HEAT-INSULATING MATERIAL COMPRISING A BATTING OF STAPLE FIBERS OF WHICH AT LEAST A SUBSTANTIAL PROPORTION ARE THERMOSPLATIC FIBERS, SUBSTANTIALLY ALL THE FIBERS THROUGHOUT THE BATTING BEING BONDED TOGETHER BY COALESCENCE, THE BATTING BEING EMBOSSED IN A PATTERN OF INTERSECTING LINES AND COMPRESSED ONLY AT SAID EMBOSSED LINES TO A DEPTH AND ONLY TO A DEPTH SUCH THAT THE BATTING IS RESILIENT AT THE LINES; THE BATTING REMAINING UNCOMPRESSED EXCEPT AT SAID LINES.
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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |