Patent US2848887A successfully refreshed from Google Patents.
US2848887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated faced wall
Assignee: Individual
•
Filing: 1955-02-24
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Granted: 1958-08-26
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Expires: 1975-02-24
Abstract
No abstract record available.
Inventors
- 👤 Jerry B Compton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:19
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6803; F; F16; F16L; F16L59/00; F16L59/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US205188A
Cited
US517701A
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US837303A
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US1357713A
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US1813909A
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US2029817A
Cited
US2161333A
Cited
US2198084A
Cited
US2656902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |