Patent US2225856A successfully refreshed from Google Patents.
Patent US3479501A successfully refreshed from Google Patents.
US3479501A
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US
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Porous hollow lamp shade
Assignee: Jefferson Tank and Seat Mfg Co Inc
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Filing: 1966-11-14
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Granted: 1969-11-18
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Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Humbert A Pisciotta
- 👤 Anthony T Pisciotta Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:48
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/04; B29C41/06; B29C67/00; B29C67/02; F; F21; F21V; F21V1/00; F21V1/26; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1372; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2113158A
Cited
US2095648A
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US2297248A
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US2644883A
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US2766485A
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US2761177A
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US3285795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |