Patent US3247453A successfully refreshed from Google Patents.
Patent US2870739A successfully refreshed from Google Patents.
US2870739A
Expired / Lapsed
US
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Sphere dispensing apparatus
Assignee: Wald Indusries Inc
•
Filing: 1955-04-05
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Granted: 1959-01-27
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Expires: 1975-04-05
Abstract
No abstract record available.
Inventors
- 👤 Rodli Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:23
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/12; G02B5/126; G02B5/128; B; B44; B44B; B44B1/00; B44B2700/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1256585A
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US1601154A
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US1793202A
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US1773720A
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US2276486A
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US2347271A
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US2394657A
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US2539084A
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US2605935A
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US2749879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |