US2997942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baling apparatus
Assignee: Individual
•
Filing: 1957-04-26
•
Granted: 1961-08-29
•
Expires: 1977-04-26
Abstract
No abstract record available.
Inventors
- 👤 Ansel W Dunham
- 👤 Philip N Dunham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:51
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US326698A
Cited
DE379378C
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US2675718A
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US737427A
Cited
US920106A
Cited
FR541162A
Cited
GB218745A
Cited
US1847844A
Cited
US2148694A
Cited
US2780989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |