US3001602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load bearing sound absorbing clay tile unit
Assignee: STRUCTURAL CLAY PRODUCTS RES F
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Filing: 1960-01-25
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Granted: 1961-09-26
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Expires: 1980-01-25
Abstract
No abstract record available.
Inventors
- 👤 Robert B Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:59
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/8404; E04C; E04C1/00; E04C1/40; E04C1/41; E04B2001/8457; E04B2001/8476; E04B2001/848; E04B2001/8485; E04B2001/849
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1660745A
Cited
US2007130A
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GB461314A
Cited
US2281121A
Cited
US2362859A
Cited
GB643181A
Cited
FR984773A
Cited
US2681865A
Cited
US2911076A
Cited
US2933146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |