US3330591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil drum grappling hook
Assignee: Individual
•
Filing: 1965-10-13
•
Granted: 1967-07-11
•
Expires: 1985-10-13
Abstract
No abstract record available.
Inventors
- 👤 Clement C Pavelka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:20
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/12; B66C1/14; B66C1/62; B66C1/625
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A GRAPPLING HOOK FOR GRIPPING AND LIFTING A DRUM HAVING A RIM, COMPRISING: A MOUNTING FRAME HAVING PARALLEL SIDE PORTIONS SPACED APART TO DEFINE AN OPEN-ENDED VERTICAL SLOT THEREBETWEEN, EACH OF SAID SIDE PORTIONS INCLUDING ENGAGING PORTIONS IN THE FORM OF FIRST AND SECOND DOWNWARDLY EXTENDING LEGS POSITIONED TO DEFINE A RIM RECEIVING OPENING, SAID FIRST LEG INCLUDING A VERTICAL BEARING SURFACE IN ENGAGEMENT WITH THE INSIDE SURFACE OF SAID RIM, SAID SECOND LEG INCLUDING A CURVED PORTION TERMINATING IN A VERTICAL BEARING SURFACE IN ENGAGEMENT WITH THE UPPER HALF OF THE OUTSIDE OF SAID DRUM AT A POSITION BELOW SAID RIM, SAID MOUNTING FRAME INCLUDING A FIRST OPENING THERETHROUGH ACROSS SAID VERTICAL SLOT ABOVE SAID FIRST AND SECOND LEGS AND RIM RECEIVING OPENING; A SUB-
Claim 2
Dependent Claim
126 words
A GRAPPLING HOOK FOR GRIPPING AND LIFTING A DRUM HAVING A RIM, COMPRISING: A MOUNTING FRAME HAVING PARALLEL SIDE PORTIONS SPACED APART TO DEFINE AN OPEN-ENDED VERTICAL SLOT THEREBETWEEN, EACH OF SAID SIDE PORTIONS INCLUDING ENGAGING PORTIONS IN THE FORM OF FIRST AND SECOND DOWNWARDLY EXTENDING LEGS POSITIONED TO DEFINE A RIM RECEIVING OPENING, SAID FIRST LEG INCLUDING A VERTICAL BEARING SURFACE IN ENGAGEMENT WITH THE INSIDE SURFACE OF SAID RIM, SAID SECOND LEG INCLUDING A CURVED PORTION TERMINATING IN A VERTICAL BEARING SURFACE IN ENGAGEMENT WITH THE UPPER HALF OF THE OUTSIDE OF SAID DRUM AT A POSITION BELOW SAID RIM, SAID MOUNTING FRAME INCLUDING A FIRST OPENING THERETHROUGH ACROSS SAID VERTICAL SLOT ABOVE SAID FIRST AND SECOND LEGS AND RIM RECEIVING OPENING; A SUB-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |