US3511007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural systems employing foaming-in-place
Assignee: HENRY N BABCOCK
•
Filing: 1964-03-05
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Granted: 1970-05-12
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Expires: 1984-03-05
Abstract
No abstract record available.
Inventors
- 👤 Henry N Babcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:40
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/292; E04B; E04B1/00; E04B1/62; E04D; E04D13/00; E04D13/16; E04D13/1606; E04D13/1668; E04D13/1675; E04D7/00; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249976
Claims Analysis
Total Claims: 0
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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) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |