Patent US3503497A successfully refreshed from Google Patents.
US3503497A
Expired / Lapsed
US
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Breather container
Assignee: Pall Corp
•
Filing: 1968-07-25
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Granted: 1970-03-31
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Expires: 1988-07-25
Abstract
No abstract record available.
Inventors
- 👤 Phyllis Riely
- 👤 Joseph G Adiletta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:58
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/002; A61B; A61B50/00; A61B50/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2433056A
Cited
US2962158A
Cited
US2997224A
Cited
US3229813A
Cited
US3092249A
Cited
US3247957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |