US3360894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extendible interlocked boom
Assignee: Melpar Inc
•
Filing: 1966-06-20
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Granted: 1968-01-02
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Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 John R Sharman
- 👤 Max A Orr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:58
CPC Classifications
F; F16; F16H; F16H19/00; F16H19/02; F16H19/06; F16H19/064; E; E04; E04C; E04C3/00; E04C3/005; E04C3/02; E04C3/04; E04C3/06; E04C3/07; H; H01; H01Q; H01Q1/00; H01Q1/08; H01Q1/085; H01Q1/087; H01Q1/12; H01Q1/1235; E04C2003/0404; E04C2003/0408; E04C2003/0421; E04C2003/0426; E04C2003/043; E04C2003/0443; E04C2003/0447; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/1482; Y10T24/45; Y10T24/45225; Y10T24/45958; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016; Y10T29/49826; Y10T29/49828; Y10T29/49863; Y10T29/4987
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN EXTENDIBLE BOOM, COMPRISING AN ELONGATE STRIP OF RESILIENT MATERIAL HAVING A PLURALITY OF SPACED TAB MEMBERS FORMED ON ONE OF THE LONGITUDINAL EDGES THEREOF AND A PLURALITY OF SLOTTED PROJECTING MEMBERS FORMED ON THE OTHER OF THE LONGITUDINAL EDGES THEREOF, SAID SLOTTED MEMBERS BEING POSITIONED OPPOSITE SAID TAB MEMBERS, A PLURALITY OF LONGITUDINAL GUIDE SLOTS ADJACENT SAID ONE OF SAID LONGITUDINAL EDGES AND SPACED IN COOPERATIVE RELATIONSHIP WITH SAID TAB MEMBERS TO ACCEPT SAID SLOTTED MEMBERS WHEN SAID STRIP IS ROLLED ABOUT A LONGITUDINAL AXIS THEREOF, AND SLOTS IN SAID SLOTTED MEMBERS ARRANGED TO ACCEPT RELATED TAB MEMBERS AFTER ENTRY INTO SAID GUIDE SLOTS, TO FORM AN INTERLOCKED SEAM FOR SAID BOOM.
Claim 2
Dependent Claim
113 words
AN EXTENDIBLE BOOM, COMPRISING AN ELONGATE STRIP OF RESILIENT MATERIAL HAVING A PLURALITY OF SPACED TAB MEMBERS FORMED ON ONE OF THE LONGITUDINAL EDGES THEREOF AND A PLURALITY OF SLOTTED PROJECTING MEMBERS FORMED ON THE OTHER OF THE LONGITUDINAL EDGES THEREOF, SAID SLOTTED MEMBERS BEING POSITIONED OPPOSITE SAID TAB MEMBERS, A PLURALITY OF LONGITUDINAL GUIDE SLOTS ADJACENT SAID ONE OF SAID LONGITUDINAL EDGES AND SPACED IN COOPERATIVE RELATIONSHIP WITH SAID TAB MEMBERS TO ACCEPT SAID SLOTTED MEMBERS WHEN SAID STRIP IS ROLLED ABOUT A LONGITUDINAL AXIS THEREOF, AND SLOTS IN SAID SLOTTED MEMBERS ARRANGED TO ACCEPT RELATED TAB MEMBERS AFTER ENTRY INTO SAID GUIDE SLOTS, TO FORM AN INTERLOCKED SEAM FOR SAID BOOM.
References Cited (Backward Citations)
US1534990A
Cited
US1028829A
Cited
DE429609C
Cited
US3144104A
Cited
US3177987A
Cited
US3193432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |