US3305509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roofing composition of rubber latex and glass fiber
Assignee: HARRY H MILLER
•
Filing: 1962-12-06
•
Granted: 1967-02-21
•
Expires: 1982-12-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond R Waterman
- 👤 Donald C Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:13
CPC Classifications
E; E04; E04D; E04D7/00; C; C08; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/14; Y; Y10; Y10T; Y10T428/00; Y10T428/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A ROOFING COMPOSITION SUITABLE FOR ONE COAT APPLICATION COMPRISING RUBBER LATEX, HAVING GLASS FIBER DISPERSED THEREIN.
Claim 2
Dependent Claim
16 words
A ROOFING COMPOSITION SUITABLE FOR ONE COAT APPLICATION COMPRISING RUBBER LATEX, HAVING GLASS FIBER DISPERSED THEREIN.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |