Patent US1931114A successfully refreshed from Google Patents.
Patent US2853870A successfully refreshed from Google Patents.
US2853870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable wall facing panels
Assignee: Individual
•
Filing: 1956-08-06
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Granted: 1958-09-30
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Expires: 1976-08-06
Abstract
No abstract record available.
Inventors
- 👤 John B Sinner
- 👤 Oscar A Sinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:51
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0832; E04F13/0833; E04F13/0846; E04H; E04H13/00; E04H13/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2505676A
Cited
US777334A
Cited
US2069755A
Cited
US2363156A
Cited
US2591723A
Cited
US2618145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |