Patent US3271568A successfully refreshed from Google Patents.
US3271568A
Expired / Lapsed
US
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Mural apparatus
Assignee: Individual
•
Filing: 1963-08-29
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Granted: 1966-09-06
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Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 George W Lundberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:21
CPC Classifications
A; A47; A47H; A47H99/00; F; F21; F21V; F21V33/00; F21V33/0004; F21V33/0012; F21V33/0016; F21W; F21W2131/00; F21W2131/30; F21W2131/304; F21Y; F21Y2103/00; Y; Y10; Y10S; Y10S362/00; Y10S362/812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |