US3430662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible segmented tube
Assignee: Individual
•
Filing: 1964-09-21
•
Granted: 1969-03-04
•
Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Stephen Guarnaschelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:35
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/06; H02G3/0616; H02G3/04; H02G3/0462; H02G3/0475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN AN ELECTRICAL DISTRIBUTION SYSTEM A CONDUIT COMPRISING: A PLURALITY OF METAL RINGS HAVING OPPOSITELY LOCATED FLATS PLACED BETWEEN TWO SHOLDERS, MEANS TO CONNECTED SAID METAL RINGS AT SAID FLATS IN SPACED RELATION FOR FLEXING IN ONE PLACE ONLY COMPRISING: A PAIR OF METAL STRIPS, SAID STRIPS HAVING EQUALLY SPACED TRANSVERSE CORRUGATIONS THEREIN, SAID RINGS BEING FIXEDLY CONNECTED TO SAID STRIPS BETWEEN SAID CORRUGATIONS, SAID STRIPS BEING PLACED ON OPPOSITE SIDES OF SAID RINGS, WHEREBY SAID FLEXING TAKES PLACE ABOUT THE EDGES OF SAID STRIPS SUBSTANTIALLY ONLY IN A PLANE PARALLEL TO SAID STRIP, SAID STRIPS BEING SUBSTANTIALLY WIDER THAN THEIR THICKNESS.
Claim 2
Dependent Claim
102 words
IN AN ELECTRICAL DISTRIBUTION SYSTEM A CONDUIT COMPRISING: A PLURALITY OF METAL RINGS HAVING OPPOSITELY LOCATED FLATS PLACED BETWEEN TWO SHOLDERS, MEANS TO CONNECTED SAID METAL RINGS AT SAID FLATS IN SPACED RELATION FOR FLEXING IN ONE PLACE ONLY COMPRISING: A PAIR OF METAL STRIPS, SAID STRIPS HAVING EQUALLY SPACED TRANSVERSE CORRUGATIONS THEREIN, SAID RINGS BEING FIXEDLY CONNECTED TO SAID STRIPS BETWEEN SAID CORRUGATIONS, SAID STRIPS BEING PLACED ON OPPOSITE SIDES OF SAID RINGS, WHEREBY SAID FLEXING TAKES PLACE ABOUT THE EDGES OF SAID STRIPS SUBSTANTIALLY ONLY IN A PLANE PARALLEL TO SAID STRIP, SAID STRIPS BEING SUBSTANTIALLY WIDER THAN THEIR THICKNESS.
References Cited (Backward Citations)
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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) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |