US2874733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container filler
Assignee: Union Carbide Corp
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Filing: 1956-06-20
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Granted: 1959-02-24
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Expires: 1976-06-20
Abstract
No abstract record available.
Inventors
- 👤 Robert W Sesler
- 👤 Darrell H Baldwin
- 👤 Glen O Sprouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:16
CPC Classifications
B; B67; B67C; B67C3/00; B67C3/30; B65; B65B; B65B39/00; B65B39/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR492560A
Cited
US1386299A
Cited
US1520511A
Cited
US1981485A
Cited
US2105589A
Cited
US2692718A
Cited
US2709539A
Cited
US2792855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |