US3499563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container lift frame
Assignee: Caterpillar Industrial Inc
•
Filing: 1967-12-21
•
Granted: 1970-03-10
•
Expires: 1987-12-21
Abstract
No abstract record available.
Inventors
- 👤 James E Forry
- 👤 Cyril J Nisbett
- 👤 Norman D Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:08
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124263A
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US2547502A
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US2578802A
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US2653725A
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US2807493A
Cited
GB868814A
Cited
US3057490A
Cited
FR1220063A
Cited
US3045852A
Cited
US3146903A
Cited
US3176866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |