US2899363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of microscope specimen slides
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
•
Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:33
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A METHOD OF TREATING SIDES HAVING THEREON SMEARS OF BODY CELLS FOR MICROSCOPIC EXAMINATION WHICH COMPRISES PROVIDING A SOLUTION OF A WATER SOLUBLE SYNTHETIC FILM FORMING MATERIAL IN AN ETHER-ALCOHOL SOLVENT, DROPPING SAID SOLUTION ON SAID SLIDE TO FIX SAID CELLS, ALLOWING SAID SOLVENT TO EVAPORATE, THEREAFTER TREATING SAID SLIDE WITH AN AQUEOUS LIQUID TO DISSOLVE SAID MATERIAL, AND STAINING SAID SLIDE PREPARATORY TO MICROSCOPIC EXAMINATION.
Claim 2
Independent Claim
66 words
A METHOD OF TREATING SIDES HAVING THEREON SMEARS OF BODY CELLS FOR MICROSCOPIC EXAMINATION WHICH COMPRISES PROVIDING A SOLUTION OF A WATER SOLUBLE SYNTHETIC FILM FORMING MATERIAL IN AN ETHER-ALCOHOL SOLVENT, DROPPING SAID SOLUTION ON SAID SLIDE TO FIX SAID CELLS, ALLOWING SAID SOLVENT TO EVAPORATE, THEREAFTER TREATING SAID SLIDE WITH AN AQUEOUS LIQUID TO DISSOLVE SAID MATERIAL, AND STAINING SAID SLIDE PREPARATORY TO MICROSCOPIC EXAMINATION.
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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |