US2611747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass cleaning composition
Assignee: —
•
Filing: —
•
Granted: 1952-09-23
•
Expires: 1969-09-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:46
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/2072; C11D3/43; C11D3/18; C11D3/188; C11D3/38; C11D3/382; C11D3/40; C11D3/42; C11D3/50; C11D7/00; C11D7/22; C11D7/24; C11D7/26; C11D7/261; C11D7/263; C11D7/264; C11D7/50; C11D7/5004; C11D7/5022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A GLASS CLEANER CONTAINING AS ESSENTIAL INGREDIENTS AND AQUEOUS SOLUTION OF LOWER ALKYL ALIPHATIC ALCOHOL AND NAPHTHALENE, THE NAPHTHALENE BEING PRESENT IN AN AMOUNT SUFFICIENT TO PRODUCE A NOTICEABLE CLEANING EFFECT, BUT NOT EXCEEDING .03% BY WEIGHT.
Claim 2
Dependent Claim
37 words
A GLASS CLEANER CONTAINING AS ESSENTIAL INGREDIENTS AND AQUEOUS SOLUTION OF LOWER ALKYL ALIPHATIC ALCOHOL AND NAPHTHALENE, THE NAPHTHALENE BEING PRESENT IN AN AMOUNT SUFFICIENT TO PRODUCE A NOTICEABLE CLEANING EFFECT, BUT NOT EXCEEDING .03% BY WEIGHT.
References Cited (Backward Citations)
US871195A
Cited
US1494678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |