US2749879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sphere dispensing apparatus
Assignee: Wald Indusries Inc
•
Filing: 1952-07-16
•
Granted: 1956-06-12
•
Expires: 1972-07-16
Abstract
No abstract record available.
Inventors
- 👤 Rufus W Wilson
- 👤 Armand E Keeley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:37
CPC Classifications
B; B05; B05C; B05C19/00; B05C19/04; G; G02; G02B; G02B5/00; G02B5/12; G02B5/126; G02B5/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1514345A
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US1904591A
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US1801572A
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US2217247A
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US1966268A
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US2173032A
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US2151737A
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US2112759A
Cited
US2223476A
Cited
US2404454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |