US2837779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation product
Assignee: Individual
•
Filing: 1953-09-15
•
Granted: 1958-06-10
•
Expires: 1973-09-15
Abstract
No abstract record available.
Inventors
- 👤 Harold W Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:27
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/78; E04B1/80; E04B1/803; E04C; E04C2/00; E04C2/30; E04C2/34; E04C2/36; Y; Y02; Y02A; Y02A30/00; Y02A30/24; Y02A30/242; Y02B; Y02B80/00; Y02B80/10; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T428/00; Y10T428/23; Y10T428/234; Y10T428/236; Y10T428/239; Y10T428/24; Y10T428/24149; Y10T428/24273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR404303A
Cited
US1124778A
Cited
US1239770A
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US1610380A
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US1865424A
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US1793039A
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US1984007A
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US2181358A
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US2644777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |