US3109252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp shade structure
Assignee: Schweizer Milch Ges A G
•
Filing: 1961-06-22
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Granted: 1963-11-05
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Expires: 1981-06-22
Abstract
No abstract record available.
Inventors
- 👤 Schellenberg Hanspaul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:59
CPC Classifications
F; F21; F21V; F21V3/00; F21V3/02; F21V3/023; B; B42; B42D; B42D5/00; B42D5/04; B42D5/047; B65; B65D; B65D81/00; B65D81/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1329187A
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US1413520A
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US1687733A
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US2106908A
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US2387857A
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GB653615A
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FR953430A
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US2974435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |