Patent US3035657A successfully refreshed from Google Patents.
US3035657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustic panel
Assignee: Sidney Roofing & Paper Co
•
Filing: 1959-12-22
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Granted: 1962-05-22
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Expires: 1979-12-22
Abstract
No abstract record available.
Inventors
- 👤 Lemon Cecil George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:18
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/0457
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1833143A
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US1964473A
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US2045733A
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US1875188A
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GB642722A
Cited
US2562711A
Cited
US2689988A
Cited
US2791289A
Cited
US2779429A
Cited
US2809908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |