Patent US3313104A successfully refreshed from Google Patents.
US3313104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engine
Assignee: Caterpillar Inc
•
Filing: 1965-02-25
•
Granted: 1967-04-11
•
Expires: 1985-02-25
Abstract
No abstract record available.
Inventors
- 👤 Duane E Evans
- 👤 Thomas W Head
- 👤 Lloyd E Johnson
- 👤 Peter W Schutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:23
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/107; F02C7/00; F02C7/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2479573A
Cited
US2400622A
Cited
US2619797A
Cited
US2730863A
Cited
US3037347A
Cited
US3181295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |