Patent US3170724A successfully refreshed from Google Patents.
US3170724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camping trailer
Assignee: HEILITE TRAILERS Inc
•
Filing: 1963-05-17
•
Granted: 1965-02-23
•
Expires: 1983-05-17
Abstract
No abstract record available.
Inventors
- 👤 Heil Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:18
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/32; B60P3/34; B60P3/341; Y; Y10; Y10S; Y10S135/00; Y10S135/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A CAMPING TRAILER COMPRISING A FRAME WHICH INCLUDES A DECK, A PAIR OF SEPARATE MATTRESS-SUPPORTING UNITS EX TENDING LENGTHWISE OF THE TRAILER IN LATERALLY OPPOSED RELATION, MEANS MOUNTING THE UNITS IN CONNECTION WITH THE FRAME FOR LATERAL MOVEMENT BETWEEN A POSITION ON THE DECK ADJACENT EACH OTHER AND A POSITION IN CONTACT WITH THE DECK BUT IN RELATIVELY WIDELY SEPARATED RELATION, AND MECHANICAL MANUALLY CONTROLLED MEANS TO MOVE THE UNITS FROM ONE POSITION TO THE OTHER SIMULTANEOUSLY COMPRISING A PAIR OF HORIZONTALLY ALINED SPROCKETS AT EACH END OF THE FRAME SPACED APART A GREATER DISTANCE THAN THE FULL LATERAL MOVEMENT OF THE UNITS, AN ENDLESS CHAIN EXTENDING ABOUT THE SPROCKETS, A PUSH-PULL LINK EXTENDING IN ONE DIRECTION FROM THE UPPER RUN OF THE CHAIN AND CONNECTED TO SAID RUN AND TO ONE UNIT, ANOTHER PUSH-PULL LINK EXTENDING IN THE OPPOSITE DIRECTION FROM THE LOWER RUN OF THE CHAIN AND CONNECTED TO SAID LOWER RUN AND TO THE OTHER UNIT, AND MEANS TO ROTATE ONE SPROCKET SO AS TO DRIVE THE CHAIN IN ONE DIRECTION OR THE OTHER.
Claim 2
Dependent Claim
177 words
A CAMPING TRAILER COMPRISING A FRAME WHICH INCLUDES A DECK, A PAIR OF SEPARATE MATTRESS-SUPPORTING UNITS EX TENDING LENGTHWISE OF THE TRAILER IN LATERALLY OPPOSED RELATION, MEANS MOUNTING THE UNITS IN CONNECTION WITH THE FRAME FOR LATERAL MOVEMENT BETWEEN A POSITION ON THE DECK ADJACENT EACH OTHER AND A POSITION IN CONTACT WITH THE DECK BUT IN RELATIVELY WIDELY SEPARATED RELATION, AND MECHANICAL MANUALLY CONTROLLED MEANS TO MOVE THE UNITS FROM ONE POSITION TO THE OTHER SIMULTANEOUSLY COMPRISING A PAIR OF HORIZONTALLY ALINED SPROCKETS AT EACH END OF THE FRAME SPACED APART A GREATER DISTANCE THAN THE FULL LATERAL MOVEMENT OF THE UNITS, AN ENDLESS CHAIN EXTENDING ABOUT THE SPROCKETS, A PUSH-PULL LINK EXTENDING IN ONE DIRECTION FROM THE UPPER RUN OF THE CHAIN AND CONNECTED TO SAID RUN AND TO ONE UNIT, ANOTHER PUSH-PULL LINK EXTENDING IN THE OPPOSITE DIRECTION FROM THE LOWER RUN OF THE CHAIN AND CONNECTED TO SAID LOWER RUN AND TO THE OTHER UNIT, AND MEANS TO ROTATE ONE SPROCKET SO AS TO DRIVE THE CHAIN IN ONE DIRECTION OR THE OTHER.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |