Patent US3335958A successfully refreshed from Google Patents.
US3335958A
Expired / Lapsed
US
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Irrigating device
Assignee: Individual
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Filing: 1965-10-11
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Granted: 1967-08-15
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Expires: 1985-10-11
Abstract
No abstract record available.
Inventors
- 👤 David A Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:11
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/09; A01G25/092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
AN IRRIGATING DEVICE INCLUDING AN AMBULATORY ELONGATED WATER DISTRIBUTING PIPE HAVING A PLURALITY OF PIPE SECTIONS ARRANGED IN END-TO-END RELATIONSHIP AND BEING SLIDABLY INTERFITTED TOGETHER FOR THE FLOW OF WATER SUCCESSIVELY THERETHROUGH AND AT LEAST ONE TENSION MEMBER EXTENDING SUBSTANTIALLY THE LENGTH OF SAID PIPE AND APPLYING A COMPRESSIVE LOAD TO PIPE SECTIONS IN A DIRECTION LENGTHWISE THEREOF, SAID PIPE BEING BOWED UPWARDLY ABOVE SAID TENSION MEMBER BY SAID COMPRESSIVE LOAD WHEREBY THE WEIGHT OF WATER CARRIED BY SAID DISTRIBUTING PIPE WILL PRODUCE AN OPPOSING TENSION LOADING OF SAID TENSION MEMBER WHICH IS SUFFICIENT TO MAINTAIN SAID PIPE IN AN UPWARDLY BOWED CONDITION AND TO HOLD SAID PIPE SECTION IN ASSEMBLY.
Claim 2
Dependent Claim
111 words
AN IRRIGATING DEVICE INCLUDING AN AMBULATORY ELONGATED WATER DISTRIBUTING PIPE HAVING A PLURALITY OF PIPE SECTIONS ARRANGED IN END-TO-END RELATIONSHIP AND BEING SLIDABLY INTERFITTED TOGETHER FOR THE FLOW OF WATER SUCCESSIVELY THERETHROUGH AND AT LEAST ONE TENSION MEMBER EXTENDING SUBSTANTIALLY THE LENGTH OF SAID PIPE AND APPLYING A COMPRESSIVE LOAD TO PIPE SECTIONS IN A DIRECTION LENGTHWISE THEREOF, SAID PIPE BEING BOWED UPWARDLY ABOVE SAID TENSION MEMBER BY SAID COMPRESSIVE LOAD WHEREBY THE WEIGHT OF WATER CARRIED BY SAID DISTRIBUTING PIPE WILL PRODUCE AN OPPOSING TENSION LOADING OF SAID TENSION MEMBER WHICH IS SUFFICIENT TO MAINTAIN SAID PIPE IN AN UPWARDLY BOWED CONDITION AND TO HOLD SAID PIPE SECTION IN ASSEMBLY.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |