US2828935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic container filler
Assignee: Ritter Co Inc
•
Filing: 1954-05-14
•
Granted: 1958-04-01
•
Expires: 1974-05-14
Abstract
No abstract record available.
Inventors
- 👤 Eugene R Ziegler
- 👤 Morton A Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:39
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/12; B67D1/1202; B67D1/1234; B67D1/124; A; A61; A61C; A61C19/00; B67D1/1204; B67D1/1225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1082354A
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US2011608A
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US2351606A
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US2395674A
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US2544155A
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US2451891A
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US2548473A
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US2464545A
Cited
US2541915A
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US2698156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |