US3018128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat type sling
Assignee: Colorado Fuel and Iron Corp
•
Filing: 1959-09-25
•
Granted: 1962-01-23
•
Expires: 1979-09-25
Abstract
No abstract record available.
Inventors
- 👤 John R Nelson
- 👤 Maurice J Gosselin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:42
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/12; B66C1/18; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE352856C
Cited
US1107889A
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US1207483A
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US1432117A
Cited
GB505372A
Cited
AT169639B
Cited
GB780794A
Cited
US2960365A
Cited
GB806461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |