US3532656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammonium hydroxide polymer solutions for floor polish compositions
Assignee: Gulf Research and Development Co
•
Filing: 1969-03-19
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Granted: 1970-10-06
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Expires: 1989-03-19
Abstract
No abstract record available.
Inventors
- 👤 Donald L Burdick
- 👤 William J Heilman
- 👤 Gerald J Mantell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:37
CPC Classifications
C; C09; C09G; C09G1/00; C09G1/06; C09G1/14; C09G1/16; C08; C08F; C08F22/00; C08F22/04; C08F8/00
Claims Analysis
Total Claims: 0
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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) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |