US2898714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for packaging flowable materials in thermoplastic sheet material
Assignee: Individual
•
Filing: 1958-05-19
•
Granted: 1959-08-11
•
Expires: 1978-05-19
Abstract
No abstract record available.
Inventors
- 👤 Keith Donald George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:06
CPC Classifications
B; B65; B65B; B65B3/00; B65B3/04; B65B3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2166568A
Cited
US2335978A
Cited
US2289668A
Cited
US2618814A
Cited
US2622380A
Cited
US2720309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |