US2528778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed tobacco package
Assignee: Shellmar Products Corp
•
Filing: 1945-03-01
•
Granted: 1950-11-07
•
Expires: 1965-03-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Piazze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:04
CPC Classifications
B; B65; B65D; B65D33/00; B65D75/00; B65D75/52; B65D75/58; B65D75/5855
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US274044A
Cited
US1756919A
Cited
US2189431A
Cited
US2214172A
Cited
US2262111A
Cited
US2178730A
Cited
US2333587A
Cited
US2382175A
Cited
US2350931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |