Patent US3517472A successfully refreshed from Google Patents.
US3517472A
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Structural element with thermal barrier means
Assignee: Anchor Enterprises Corp
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Filing: 1967-05-08
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Granted: 1970-06-30
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Expires: 1987-05-08
Abstract
No abstract record available.
Inventors
- 👤 Louis Toth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:06
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/5436; E06B3/04; E06B3/263; E06B3/267; E06B3/2675; E06B3/273; E06B3/277; E06B3/26301; E06B3/26305; E06B2003/26309; E06B2003/26349; E06B2003/2635; E06B2003/26352; E06B2003/26354; Y; Y10; Y10S; Y10S49/00; Y10S49/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1832847A
Cited
US2761536A
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GB804258A
Cited
CH335848A
Cited
CH356265A
Cited
GB972180A
Cited
GB1001204A
Cited
US3323267A
Cited
US3212179A
Cited
US3317227A
Cited
US3411254A
Cited
US3393487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |