Patent US3547719A successfully refreshed from Google Patents.
US3547719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an end closure
Assignee: Bendix Corp
•
Filing: 1968-04-10
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Granted: 1970-12-15
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Expires: 1988-04-10
Abstract
No abstract record available.
Inventors
- 👤 Walter Kasten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:53
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/045; B01D29/00; B01D29/11; B01D29/111; B01D29/13; B01D29/15; B01D29/21; B01D29/216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2742160A
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US2942748A
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US3013667A
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US3042571A
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US3058513A
Cited
US3245858A
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US3316135A
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US3446688A
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US3261516A
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US3385741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |