US3365987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible drill and guide tool
Assignee: EUGENE P HELLER
•
Filing: 1965-08-27
•
Granted: 1968-01-30
•
Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Eugene P Heller
- 👤 Richard A Textor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:46
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/02; F; F16; F16K; F16K41/00; B23B2260/00; B23B2260/068; Y; Y10; Y10S; Y10S408/00; Y10S408/714; Y10T; Y10T408/00; Y10T408/55; Y10T408/65; Y10T408/665; Y10T408/89; Y10T408/898; Y10T408/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |