Patent US3489827A successfully refreshed from Google Patents.
US3489827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of aerosol filters
Assignee: Georgia Pacific Nonwovens LLC
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Filing: 1966-06-10
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Granted: 1970-01-13
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Expires: 1986-06-10
Abstract
No abstract record available.
Inventors
- 👤 William Anton Mueller
- 👤 Donald Frederick Mashey
- 👤 George Nathan Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:08
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/06; A24D3/08; A24D3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2336944A
Cited
US2568866A
Cited
US2576318A
Cited
US2810426A
Cited
US3025202A
Cited
GB908185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |