US3537225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming container
Assignee: Ludlow Corp
•
Filing: 1967-09-01
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Granted: 1970-11-03
•
Expires: 1987-09-01
Abstract
No abstract record available.
Inventors
- 👤 Charles M Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:38
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/06; B65B9/08; B65B9/093; B65B61/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |