US3380190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for demonstrating tropistic principles
Assignee: Individual
•
Filing: 1965-03-18
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Granted: 1968-04-30
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Expires: 1985-03-18
Abstract
No abstract record available.
Inventors
- 👤 Charles R Granger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:45
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/38; A; A01; A01G; A01G7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN APPARATUS FOR DEMONSTRATING THE GEOTROPIC CHARACTERISTICS OF LIVING ORGANISMS SUCH AS PLANTS AND THE LIKE, SAID APPARATUS COMPRISING A BASE, A MEMBER ROTATABLE ABOVE SAID BASE ABOUT A VERTICAL AXIS, MEANS FOR SECURING GROWING PLANT TO SAID MEMBER AT VARIED DISTANCES FROM ITS CENTER OF ROTATION AND AT ITS CENTER OF ROTATION, A CYLINDRICAL SHAPED TRANSPARENT COVER REMOVABLY SUPPORTED ON SAID BASE AND ENCLOSING SAID ROTATABLE MEMBER WHILE PROVIDING FOR AN UNOBSTRUCTED VIEW FROM ALL SIDES OF A PLANT SECURED TO SAID ROTATABLE MEMBER, MEANS FOR REMOVABLY SECURING SAID COVER TO SAID BASE AND PROVIDING AN AIRTIGHT SEAL THEREBETWEEN, MEANS FOR VARIABLY CONTROLLING THE SPEED OF SAID ROTATABLE MEMBER, MEANS FOR ADMITTING GASES INTO AND DISCHARGING GASES FROM THE AIRTIGHT ENCLOSURE FORMED BY SAID BASE AND COVER, AND MEANS FOR CONTROLLING THE PRESSURE WITHIN SAID ENCLOSURE.
Claim 2
Independent Claim
137 words
AN APPARATUS FOR DEMONSTRATING THE GEOTROPIC CHARACTERISTICS OF LIVING ORGANISMS SUCH AS PLANTS AND THE LIKE, SAID APPARATUS COMPRISING A BASE, A MEMBER ROTATABLE ABOVE SAID BASE ABOUT A VERTICAL AXIS, MEANS FOR SECURING GROWING PLANT TO SAID MEMBER AT VARIED DISTANCES FROM ITS CENTER OF ROTATION AND AT ITS CENTER OF ROTATION, A CYLINDRICAL SHAPED TRANSPARENT COVER REMOVABLY SUPPORTED ON SAID BASE AND ENCLOSING SAID ROTATABLE MEMBER WHILE PROVIDING FOR AN UNOBSTRUCTED VIEW FROM ALL SIDES OF A PLANT SECURED TO SAID ROTATABLE MEMBER, MEANS FOR REMOVABLY SECURING SAID COVER TO SAID BASE AND PROVIDING AN AIRTIGHT SEAL THEREBETWEEN, MEANS FOR VARIABLY CONTROLLING THE SPEED OF SAID ROTATABLE MEMBER, MEANS FOR ADMITTING GASES INTO AND DISCHARGING GASES FROM THE AIRTIGHT ENCLOSURE FORMED BY SAID BASE AND COVER, AND MEANS FOR CONTROLLING THE PRESSURE WITHIN SAID ENCLOSURE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |