US2727675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shipping container
Assignee: Waldorf Paper Products Co
•
Filing: 1951-11-09
•
Granted: 1955-12-20
•
Expires: 1971-11-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Mairs
- 👤 Richard C Lilygren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:33
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/32; B65D5/322; B65D5/323
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190812671A
Cited
GB387503A
Cited
US2089345A
Cited
US2143588A
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US2404067A
Cited
US2409673A
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US2588232A
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US2511189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |