US3189498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roofing method
Assignee: Individual
•
Filing: 1962-02-06
•
Granted: 1965-06-15
•
Expires: 1982-02-06
Abstract
No abstract record available.
Inventors
- 👤 Rapp Harry Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:07
CPC Classifications
E; E04; E04D; E04D15/00; E04D15/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A METHOD OF AUTOMATICALLY IMPREGNATING ROOFING WEBBING AND APPLYING SAME TO A ROOF SURFACE IN A PREDETERMINED PATH COMPRISING THE STEPS OF DRAWING A SHEET OF SAID WEBBING THROUGH A BODY OF LIQUID TAR IN A CONTAINER THEREFOR AND THEREAFTER DRAWING ONE SIDE OF SAID SHEET OF WEBBING AGAINST A FIRST FIRM SURFACE AT AN ACUTE ANGLE TO SAID SHEET OF WEBBING, THEREBY PRESSING THE LIQUID TAR INTO THE INTERSTICES OF SAID WEBBING AND FORCING TAR THROUGH THE WEBBING IN A FIRST DIRECTION, AND THERAFTER PASSING THE OTHER OF SIDE OF SAID SHEET OF WEBBING MATERIAL AGAINST A SECOND FIRM SURFACE ABOVE THE LEVEL OF THE LIQUID TAR AT AN ACUTE ANGLE TO THE PLANE OF SAID WEBBING AND FORCING TAR THROUGH THE WEBBING IN A DIRECTION OPPOSITE TO SAID FIRST DIRECTION WHILE A THIRD FIRM SCRAPING SURFACE PARALLEL TO SAID SECOND FIRM SURFACE IS IN PROXIMITY TO THE FIRST SIDE OF SAID SHEET OF WEBBNG AND CONTINUOUSLY DOWNWARDLY APPLYING A PORTION OF THE WEIGHT OF SAID BODY OF TAR TO THE UPPER SURFACE OF SAID THUS IMPREGNATED SHEET OF WEBBING DOWNWARDLY IN CONTACT WITH THE ROOF SURFACE WHILE MOVING SAID BODY OF LIQUID IN SAID PREDETERMINED PATH.
Claim 2
Independent Claim
198 words
A METHOD OF AUTOMATICALLY IMPREGNATING ROOFING WEBBING AND APPLYING SAME TO A ROOF SURFACE IN A PREDETERMINED PATH COMPRISING THE STEPS OF DRAWING A SHEET OF SAID WEBBING THROUGH A BODY OF LIQUID TAR IN A CONTAINER THEREFOR AND THEREAFTER DRAWING ONE SIDE OF SAID SHEET OF WEBBING AGAINST A FIRST FIRM SURFACE AT AN ACUTE ANGLE TO SAID SHEET OF WEBBING, THEREBY PRESSING THE LIQUID TAR INTO THE INTERSTICES OF SAID WEBBING AND FORCING TAR THROUGH THE WEBBING IN A FIRST DIRECTION, AND THERAFTER PASSING THE OTHER OF SIDE OF SAID SHEET OF WEBBING MATERIAL AGAINST A SECOND FIRM SURFACE ABOVE THE LEVEL OF THE LIQUID TAR AT AN ACUTE ANGLE TO THE PLANE OF SAID WEBBING AND FORCING TAR THROUGH THE WEBBING IN A DIRECTION OPPOSITE TO SAID FIRST DIRECTION WHILE A THIRD FIRM SCRAPING SURFACE PARALLEL TO SAID SECOND FIRM SURFACE IS IN PROXIMITY TO THE FIRST SIDE OF SAID SHEET OF WEBBNG AND CONTINUOUSLY DOWNWARDLY APPLYING A PORTION OF THE WEIGHT OF SAID BODY OF TAR TO THE UPPER SURFACE OF SAID THUS IMPREGNATED SHEET OF WEBBING DOWNWARDLY IN CONTACT WITH THE ROOF SURFACE WHILE MOVING SAID BODY OF LIQUID IN SAID PREDETERMINED PATH.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |