US3340648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crop growth improvement by means of propane actuated thermopile
Assignee: Northern Gas Products Co
•
Filing: 1963-08-19
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Granted: 1967-09-12
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Expires: 1983-08-19
Abstract
No abstract record available.
Inventors
- 👤 Karl H Frantzen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:34
CPC Classifications
A; A01; A01G; A01G7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
THE METHOD OF INCREASING THE GROWTH OF CROPS COMPRISING THE STEPS OF: LOCATING AN INTERMITTENT LIGHT MEANS AND A SELF-CONTAINED SOURCE OF FUEL IN THE FORM OF A HYDROCARBON HAVING CHEMICAL ENERGY UNIT IN A CROP FIELD; CONVERTING SAID CHEMICAL ENERGY UNIT IN A CROP FIELD; CONVERTING SAID CHEMICAL ENERGY IN SAID UNIT INTO ELECTRICAL ENERGY; AND SUPPLYING SAID ELECTRICAL ENERGY TO SAID LIGHT MEANS WHEREBY INTERMITTENT BEAMS OF RADIANT ENERGY ARE EMITTED, THE TOTALITY OF SAID RADIANT ENERGY BEING
Claim 2
Independent Claim
80 words
THE METHOD OF INCREASING THE GROWTH OF CROPS COMPRISING THE STEPS OF: LOCATING AN INTERMITTENT LIGHT MEANS AND A SELF-CONTAINED SOURCE OF FUEL IN THE FORM OF A HYDROCARBON HAVING CHEMICAL ENERGY UNIT IN A CROP FIELD; CONVERTING SAID CHEMICAL ENERGY UNIT IN A CROP FIELD; CONVERTING SAID CHEMICAL ENERGY IN SAID UNIT INTO ELECTRICAL ENERGY; AND SUPPLYING SAID ELECTRICAL ENERGY TO SAID LIGHT MEANS WHEREBY INTERMITTENT BEAMS OF RADIANT ENERGY ARE EMITTED, THE TOTALITY OF SAID RADIANT ENERGY BEING
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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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |