US2927409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for forming sealed packages
Assignee: Individual
•
Filing: 1956-09-24
•
Granted: 1960-03-08
•
Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 Heyer Don
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:44
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/02; B65B9/04; B29; B29C; B29C51/00; B29C51/18; B29C51/20; B29C51/24; B65B11/00; B65B11/50; B65B11/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1048227A
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US1481866A
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US2116995A
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US2219578A
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US2229613A
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US2472440A
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US2529777A
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US2597041A
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US2549123A
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US2750719A
Cited
US2855735A
Cited
US2861404A
Cited
US2861405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |