US2530306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for forming liquid-carrying containers
Assignee: Polaroid Corp
•
Filing: 1945-10-06
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Granted: 1950-11-14
•
Expires: 1965-10-06
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Land
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:30
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/02; B65B9/04; B65B9/042; B65B47/00; B65B47/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US482267A
Cited
US1469555A
Cited
US1895899A
Cited
US1784906A
Cited
DE598113C
Cited
US1920109A
Cited
US2280573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |