US3509683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for simultaneously making closures and sealing containers
Assignee: WR Grace and Co
•
Filing: 1967-07-20
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Granted: 1970-05-05
•
Expires: 1987-07-20
Abstract
No abstract record available.
Inventors
- 👤 Martin M Sternau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:06
CPC Classifications
B; B65; B65B; B65B53/00; B65B53/02; B65B41/00; B65B41/12; B65B41/14; B65B7/00; B65B7/16; B65B7/162; B65B7/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3017729A
Cited
US2976655A
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US3014320A
Cited
US3197940A
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US3262245A
Cited
US3354604A
Cited
US3354614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |