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Patent US3034909A successfully refreshed from Google Patents.
US3034909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-release adhesives
Assignee: PQ Corp
•
Filing: 1958-12-11
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Granted: 1962-05-15
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Expires: 1978-12-11
Abstract
No abstract record available.
Inventors
- 👤 Robert H Sams
- 👤 Claire H Jeglum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:55
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; C04B24/00; C04B24/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A NOVEL ADHESIVE COMPOSITION HAVING A LOW ADHERENCE TO METAL CONSISTING ESSENTIALLY OF:
Claim 2
Dependent Claim
13 words
A NOVEL ADHESIVE COMPOSITION HAVING A LOW ADHERENCE TO METAL CONSISTING ESSENTIALLY OF:
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) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |