US3103083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silo closure
Assignee: Individual
•
Filing: 1959-06-09
•
Granted: 1963-09-10
•
Expires: 1979-06-09
Abstract
No abstract record available.
Inventors
- 👤 Seeger Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:23
CPC Classifications
A; A01; A01F; A01F25/00; A01F25/16; E; E04; E04H; E04H15/00; E04H15/20; E04H15/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A SILO, A CONTINUOUS RIGID PERIPHERAL BODY PROVIDED WITH A CONTINUOUS CHANNEL DEFINING AN ENCLOSED AREA, THE SIDE WALLS OF SAID CHANNEL HAVING RELATIVELY LITTLE VERTICAL CURVATURE AND CONVERGING UPWARDLY, AT LEAST ONE IMPERVIOUS FLEXIBLE FOIL MEMBER OVERLYING SAID BODY AND SAID ENCLOSED AREA AND HAVING PORTIONS RECEIVED CONTINUOUSLY IN SAID CHANNEL AROUND THE BODY, AND AN INFLATABLE ELASTIC SEALING TUBE DISPOSED IN THE ENTIRE LENGTH OF SAID CHANNEL OVER SAID FOIL MEMBER PORTIONS AND IN ENGAGEMENT THEREWITH AND BEING SUBSTANTIALLY ROUNDED IN CROSS-SECTIONAL CONTOUR WHEN INFLATED AND URGING THE FOIL PORTIONS INTO CONTACT WITH LIMITED AREAS OF THE OPPOSING SIDE WALLS OF THE CHANNEL, HOLDING SAID FOIL MEMBER PORTIONS IN THE CHANNEL AND ALLOWING GAS LEAKAGE THEREPAST WHEN THE GAS PRESSURE WITHIN SAID ENCLOSED AREA IS SUBSTANTIALLY GREATER THAN THE PRESSURE OUTSIDE SAID ENCLOSED AREA.
Claim 2
Dependent Claim
137 words
IN A SILO, A CONTINUOUS RIGID PERIPHERAL BODY PROVIDED WITH A CONTINUOUS CHANNEL DEFINING AN ENCLOSED AREA, THE SIDE WALLS OF SAID CHANNEL HAVING RELATIVELY LITTLE VERTICAL CURVATURE AND CONVERGING UPWARDLY, AT LEAST ONE IMPERVIOUS FLEXIBLE FOIL MEMBER OVERLYING SAID BODY AND SAID ENCLOSED AREA AND HAVING PORTIONS RECEIVED CONTINUOUSLY IN SAID CHANNEL AROUND THE BODY, AND AN INFLATABLE ELASTIC SEALING TUBE DISPOSED IN THE ENTIRE LENGTH OF SAID CHANNEL OVER SAID FOIL MEMBER PORTIONS AND IN ENGAGEMENT THEREWITH AND BEING SUBSTANTIALLY ROUNDED IN CROSS-SECTIONAL CONTOUR WHEN INFLATED AND URGING THE FOIL PORTIONS INTO CONTACT WITH LIMITED AREAS OF THE OPPOSING SIDE WALLS OF THE CHANNEL, HOLDING SAID FOIL MEMBER PORTIONS IN THE CHANNEL AND ALLOWING GAS LEAKAGE THEREPAST WHEN THE GAS PRESSURE WITHIN SAID ENCLOSED AREA IS SUBSTANTIALLY GREATER THAN THE PRESSURE OUTSIDE SAID ENCLOSED AREA.
References Cited (Backward Citations)
US738847A
Cited
AT151004B
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US2460853A
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US2538875A
Cited
FR1018834A
Cited
US2647657A
Cited
US2685071A
Cited
FR1089634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |