US2997166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packages for flat articles such as surgical supplies and method of wrapping such articles
Assignee: Pratt Manufacturing Corp
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Filing: 1959-06-16
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Granted: 1961-08-22
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Expires: 1979-06-16
Abstract
No abstract record available.
Inventors
- 👤 Robert H Pratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:43
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/00051; A61F13/00072; A61F15/00; A61F15/001; B; B65; B65D; B65D75/00; B65D75/04; B65D75/20; A61F13/15; A61F13/551
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) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |