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US3474472A
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Assignee: WGG & COMPANY Inc 2525 STATE ST COLUMBUS IN 47201 A IN CORP
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Filing: 1967-12-11
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Granted: 1969-10-28
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Expires: 1987-12-11
Abstract
No abstract record available.
Inventors
- 👤 Clarence O Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:38
CPC Classifications
A; A47; A47D; A47D13/00; A47D13/06; A47D13/061; A47D13/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2806747A
Cited
US2908021A
Cited
US2991486A
Cited
US3215096A
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US3206773A
Cited
US3206772A
Cited
US3309718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |